Rohan Kulkarni · 17 September 2026

95 solo founders introduced themselves on X. this is what they build.

last week the same three lines went around x, hundreds of copies. i'm 33, solo founder from germany, looking to connect. everyone says hello, nobody says what they are working on.

so i looked all 95 of them up, one at a time, and wrote down every product i could find. 355 of them. people with a paying customer are first.

the one that changed my mind

20%of the people with exactly one product have a paying customer
58%of the people running three or more

median is 4 products for someone with revenue, 2 for someone without. its 95 people and its correlation, so hold it loosely. one customer is probably what makes you brave enough to ship the next four.

95 people
@devafter5 3,117 followers31
1 paying
  • BingoCardsStudio↗payingPrintable bingo card PDFs for parties, classrooms, and custom playlists.
  • Alphabet Flashcards for Kids↗Simple alphabet flashcards and ABC games for toddlers and preschoolers.
  • Numbers Flashcards for Kids↗Number and counting flashcards for toddlers and preschoolers.
  • Color Flashcards for Kids↗Color-recognition flashcards for young kids.
  • Flashcards for Toddlers↗Early-learning flashcards covering letters, numbers, and colors.
  • Lemonade Stand↗Kids business simulator that shows how pricing, costs, and sales affect profit.
  • Math Practice Flash Cards↗Addition, subtraction, multiplication, and division practice flashcards.
  • Sight Words Flashcards Kids↗Sight-word flashcards for preschool and early elementary reading.
  • Brain Games: Focus & Memory↗Short memory, focus, and relaxation mini-games.
  • Coloring Pages for kids↗Ad-free coloring book for toddlers and preschoolers.
  • Find X - Find the odd one↗Odd-one-out observation puzzle game.
  • Trivia Questions Challenge↗Multiple-choice trivia quiz for all ages.
  • World Flags Trivia↗Flag quiz covering countries around the world.
  • Barcode Scanner & Copy↗Scan barcodes into a list, then copy, email, or save — no inventory backend.
  • Generate Passwords↗One-tap strong password generator.
  • Paint Calc - Cost Calculator↗Estimates paint quantity and project cost from room size.
  • QR Code Inspector↗Preview QR URLs before opening them, with bookmarks.
  • ReWord↗On-device Apple Intelligence rewriter for social posts.
  • Mini Golf Scorecard↗Fast 9/18-hole mini-golf scoring with live leaderboard; Pro adds history and photos.
  • One Habit Tracker↗Habit tracker built around focusing on a single habit.
  • Chore Master: Home Planner↗Recurring chore planner that reschedules from the actual completion date.
  • Menu on TV↗Turns an Apple TV into a restaurant menu board using Apple Photos.
  • BookFinder↗Looks up book details by ISBN scan, title, or author.
  • Bingo Caller and Cards↗Bingo number caller and play-along cards for classrooms, families, and parties.
  • Travel FX Currency Converter↗Fast currency conversion for travellers.
  • What's for Dinner↗Dinner decision, weekly planning, and shopping helper.
  • Step Tracker - Steps Insights↗Charts Apple Health step data.
  • FramePad - Digital Frame↗Turns an iPhone or iPad into a photo-library slideshow frame.
  • Speak Abroad↗Quick travel-phrase reference, not a language course.
  • Easy Simple Smart Teachers Pay Teachers store↗No-prep worksheets, puzzles, mini escape rooms, bingo, and classroom printables.
  • PartyEscapeRooms↗buildingPrintable mini escape rooms and logic puzzles; Etsy shop referenced as in progress.
@mvilola 2,190 followers12
1 payingagents
  • PlusID↗payingFIN-FSA-supervised Finnish payments, invoicing, e-money wallet and compliance platform for businesses (taxi, light entrepreneurs, public sector).
  • Aalto Light / Aalto Business↗White-label platform for light-entrepreneur operators: invoicing, payouts, settlements, tax and operator workflows.
  • Mongo GUI↗Native Swift/SwiftUI macOS MongoDB client with Keychain secrets, reconnect restore, and review-first AI snippet verification.
  • Nomad Dashboard↗Free open-source native macOS menu-bar app for remote workers: network/power/weather, local time tracking, travel history.
  • ILOapps↗His studio: AI systems, fintech/wallets, and custom full-stack MVPs on a React/TypeScript/Express/Mongo starter.
  • RundonebuildingB2B platform for packaged asynchronous AI work with dashboard, API, audit trails and webhooks.
  • ILO Board↗buildingESP32-S3 5-inch touch companion paired over Wi-Fi/TLS-PSK to a Mac app, showing Codex context, weather and focus tools.
  • myPlane↗Charter-flight distribution and booking platform (listed as an ILOapps-built project).
  • N247 Trading Hub↗Nordic B2B vehicle-trading platform for stock, listings, offers and orders.
  • OmaPassikuva↗Finnish at-home digital passport-photo service.
  • Car Sales Photo↗AI-assisted vehicle listing photos: background replace, branding, batch processing.
  • SeenCars↗Privacy-first car-spotting app: photograph a car, AI ID, save as a collectible card.
@leohermoso 2,756 followers10
1 payingagents
  • MuscleWiki↗payingFree interactive muscle map and exercise library (2000+ exercises); he is lead engineer, not the founder.
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  • GRID↗Solana liquidity / delta-management bot; he called it a main income source until the Drift hack.
  • Caribbean Pass↗Web-purchasable digital pass for curated Cayman Islands dining, beaches, wellness, and local experiences.
  • Pallu↗Private restaurant-ops system (stock, CMV, hiring, schedules) built for one working pizzeria.
  • Vesperly↗Church volunteer scheduling: roster, services, assignments, and Sunday coverage in one place.
  • Lease Snipe↗Upload a lease PDF; AI flags risky clauses in plain English against US state landlord-tenant law.
  • GoWell↗buildingEmployer wellness benefit for Grand Cayman: employees check in at local gyms/studios on a company plan.
  • claude-workflows↗Open-source Claude Code slash commands (plus a Codex skill) that automate issue → test → PR → review.
  • Liquid Byte↗His Delaware LLC (formed 2026) that holds the product portfolio.
@dangw_92 1,021 followers9
1 paying
  • Soundscaper (Soundscape Maker)↗payingiOS relaxation app: mix 80+ nature/focus/sleep sounds, save custom soundscapes, timer, thunderstorm mode that syncs with the phone flashlight.
  • Arti↗iOS app for parents to photograph, tag, and share kids' artwork as a private digital gallery (iCloud; family collaboration).
  • Fishing Plus↗Fishing app (iOS and Google Play), featured on a German outdoor YouTube channel.
  • LogIT↗Fangtagebuch — a catch diary / fishing log app.
  • Hunting Plus↗Jagdzeiten app — hunting seasons, on iOS and Google Play.
  • Fangzeit↗Meine Schonzeiten — closed-season / fishing-calendar app.
  • Cat Widget — World of Cats↗iOS cat widget app.
  • World of Flags↗Flag quiz (and more) iOS app.
  • Random Gamertag Generator↗iOS app that generates random gamertags.
@dmytrovirych 373 followers9
1 paying
  • Redirectly↗payingDeep-linking / deferred-deep-link and campaign attribution service, positioned as a Firebase Dynamic Links replacement.
  • Goal Rings↗macOS widget that turns any metric (Stripe/Creem revenue, visitors, a URL number, or a tap counter) into always-visible Apple-Watch-style goal rings on the screen edge.
  • Localdock↗macOS app that gives every local dev server a stable named address (project.localhost), with optional phone/Wi-Fi access and a temporary public HTTPS share link.
  • Envly↗Native Mac app to edit, compare, and keep .env files out of git; imports from Vercel/Netlify/Railway/Fly.
  • AI Adoption Audit↗Two-week consulting engagement that maps where AI would pay off for a 10–250 person company, plus a $500 paid scoping call.
  • tinyCRM↗CRM aimed at developers/indie hackers who ship multiple apps; merge customers by email across products.
  • Indie Hacker Finance↗buildingFinance dashboard for indie hackers running several products (cash-flow across providers).
  • SafeOrbit↗Family GPS and safety app. Named in an older X bio at $0/m.
  • MacBidNamed on the Goal Rings site as another product he made; no URL or description found.
@haukejung 5,590 followers8
2 payingagents
  • SeggWat↗payingEmbeddable feedback, surveys, public roadmap, and live chat for indie hackers and small teams.
  • infra.page↗payingPublic live-metrics page for a project (GitHub, uptime, users, etc.) — “Linktree for infrastructure.”
  • Stepshots↗Record interactive product demos (Chrome extension + open-source CLI), edit, embed, and CI-verify them when the UI changes.
  • Bollwark↗Cookie-free proof-of-work CAPTCHA (MIT, self-hostable) that scores requests and makes bots pay CPU.
  • mcpi↗Free MCP-server directory that re-probes every listing every 6 hours and classifies tool changes.
  • Thermite↗buildingSentry-compatible, self-hosted error tracker that hands issues to a coding agent over MCP.
  • Freelance (Hauke Jung)↗Senior full-stack Rust freelance: product builds, backends, and AI/MCP integration.
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@a_shimanski 2,424 followers8
1 paying
  • FixMeBot↗payingAI writing assistant (grammar, paraphrase, translate, 90+ languages) as a Chrome extension and Telegram bot.
  • AI Edit↗AI image and video creation/editing platform (100+ models: generate, inpaint, upscale, virtual try-on, chat mode).
  • Post Formatter↗Chrome extension that adds bold/italic and 30+ Unicode styles inside LinkedIn, X, and other social editors.
  • Blurr.ing↗Chrome extension that blurs emails, names, salaries, and other sensitive bits on any page before you screenshot or share.
  • Unicode Games↗Free in-browser arcade of 21 classic games drawn entirely with Unicode characters (no account, no ads).
  • Copy Emoji↗Chrome extension to find and copy emoji from the toolbar.
  • Crop Image↗Chrome extension to crop/trim images in a couple of clicks.
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@siimh 1,432 followers8
2 payingagentssells attention
  • Superscribe / Superscribe Phone↗payingiPhone VOIP/call app on your own number that transcribes calls and turns them into notes, tasks, CRM (Pipedrive) updates, and follow-ups, plus desktop dictation (Superscribe Pro/Lite).
  • Haugas Development↗payingSolo freelance/product-engineering shop (Haugas Development Ltd, Estonia) doing full-stack client work plus his own products.
  • x11.social↗Voice-first X/Twitter content tool: talk to draft posts, plus scheduling, analytics, scoring, Chrome extension, and MCP/API.
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  • superlocalmemory↗Local AI memory: no cloud, no API keys; described as a 100% local alternative to Supermemory.
  • AI sales voice systemPrivate telemarketing/sales-call automation with SIP/WebRTC, live transcription, VAD, LLM conversation flow, streaming TTS, and Estonian voice-model work.
@eliana_jordan 32,100 followers7
3 payingsells attention
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  • Grow on X (ebook)↗payingEbook on growing an X account (site title: 0 to 15k followers in 10 months).
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  • The Wall↗Daily auction: highest bidder's brand appears on her next day's X post.
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@charliie 12,100 followers7
2 payingagents
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  • Sliick↗In-browser 3D device mockups for screenshots and videos; export image or video, files stay on device.
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  • LetterboxLetters made of letters — pick a font and colors and watch type come alive.
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@buildwithmaya 3,359 followers6
3 paying
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@_codewithemmy 430 followers6
1 paying
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  • Attendance Kiosk↗AI facial-recognition attendance and management tooling.
  • Aierth AcademyLMS with certification and payments (2025 portfolio item).
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@dustinwstout 25,300 followers5
1 payingsells attention
  • Magai↗payingAll-in-one AI workspace that puts 50+ chat, image, and video models in one subscription.
  • The Board (TopTheBoard)↗Pay-to-rank public startup directory: listings start at $1 and rank by money paid, not votes.
  • Pomolite↗Listed on his site as a minimal productivity timer.
  • Picyard↗Listed on his site as a tool for beautiful screenshots.
  • Typagraphic↗Listed on his site as 'Just type to create.'
@fraxool 4,763 followers5
5 paying
  • EDP - Easy Digital Products↗payingShopify app that delivers digital downloads, files, and license keys after purchase.
  • FF: Factures Client en France↗payingAutomates French-compliant PDF/Factur-X invoices for Shopify merchants in France.
  • Pxl - Photo Background Remover↗payingRemoves product-photo backgrounds for Shopify merchants.
  • GoSEO - SEO Products↗payingOptimizes Shopify product-page SEO for organic traffic.
  • GoBlog SEO Blog Post Optimizer↗payingSEO optimizer for Shopify blog posts.
@thibault_mthh 411 followers5
1 paying
  • Genlook↗payingAI virtual try-on for fashion stores (Shopify, WooCommerce, API): shoppers upload a photo and see garments on their own body in under ~10 seconds.
  • Elevora↗Viral giveaways/waitlists where users climb a ranking by inviting friends and completing tasks. His Jan 2026 launch post says this project was aborted when co-founders went unresponsive.
  • Pokeforge↗Turns Pokémon TCG Pocket cards into wallpapers.
  • Choicyful↗Shopify app for custom product-variant swatches.
  • SOS-passeport↗Aggregator of French mairie passport-appointment slots, refreshed every two minutes.
@advany 10,200 followers4
1 payingagents
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  • SuperChild↗Skill-acquisition practice software for BCBAs: turns VB-MAPP/ABLLS-R targets into tablet practice trials with automatic data.
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@kcodes7777 6,049 followers4
1 paying
  • Growy↗payingiOS pregnancy tracker: week-by-week baby updates, 3D models, kick/contraction timers, checklists, plus Melius AI chat and Baby Future Look AI. Instagram @thegrowy.app.
  • Fitsy (Outfit Check)↗AI stylist: snap an outfit, get a score, restyle via an AI avatar, digital closet, color season, daily fit. Shipped as Outfit Check, renamed Fitsy. Studio site still labels it in development; App Store is live.
  • FaceMapbuildingSkincare app she demoed (scan face → problem areas → routine + paywall). Studio site lists it as Coming Soon. Not the unrelated App Store app also named FaceMap.
  • Kairos Tech Apps↗Founder-led app studio (Kairos Tech LLC) that houses Growy/Fitsy/FaceMap. Miami. She presents it as original products, not client work.
@timobuilds_ 4,505 followers4
2 payingsells attention
  • FocusMap↗payingPublic roadmap and feature-request tool for solo SaaS founders: collect requests, votes, status, and email the person who asked when it ships.
  • Outduel↗payingLive product-vs-product voting arenas; pay to challenge the #1 in a category.
  • Brand My Marathon↗He is selling 8 logo spots on his first-marathon training kit (~1,200 km to Lake Garda, 11 Apr 2027) as a six-month UGC campaign.
  • Ergonomify↗AI-powered workspace/ergonomics helper. He has repeatedly called it a failed first app.
@nicopuhlmann 2,628 followers4
1 payingagents
  • Headyshot↗payingAI headshot generator: selfies to studio-style photos in ~15 minutes.
  • GoShipped↗buildingProduction-ready Python + Next.js boilerplate so an AI SaaS can skip auth/payments/RAG/agents setup.
  • Karwl↗buildingAI companion (agents + memory + models) meant to stay with you from idea to launch. Waitlist; site still 'working on something amazing'.
  • SteticWeb & mobile analytics company he founded (Stetic GmbH). GitHub/XING still list him as founder.
@martbln_dev 1,173 followers4
1 paying
  • ProofPanel↗payingAutomates an X profile banner with live proof: followers, impressions, streaks, ships, and Stripe/TrustMRR MRR.
  • Channelo↗Telegram product positioned as cutting through channel noise to surface what matters.
  • I am Solo↗Public directory of solo founders by country (site showed 2,034 builders in 102 countries).
  • Ah Shit Here We Go Again↗Founder diagnostic that maps stage/niche/MRR to a week-by-week plan using TrustMRR and Starter Story data.
@0xpaulvibe 1,046 followers4
3 paying
  • Beter Turnen↗payingDutch gymnastics coaching platform: 2500+ method videos, trainer/gymnast memberships, KNGU-recognized courses. Site names Paul Verheul as founder. Matches his 'BT' / e-learning revenue line.
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  • Reaction LightspayingPhysical reaction-light hardware he sells. No store URL found.
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@francisluz 537 followers4
1 payingagents
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  • Begin Wallet↗Self-custodial open-source wallet for Cardano, Bitcoin and Solana: staking, Liqwid lending, governance, dApp ratings, eSIM.
  • Begin CLI walletbuildingCLI wallet for Begin he said he was finishing (Mar 2026 post).
@sherryyanjiang 28,800 followers3
1 paying
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  • BluejayHer first startup; she posted they were winding it down and returning funds to $BLU token holders.
@elitzavasileva 8,995 followers3
1 payingsells attention
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  • squat.best↗Leaderboard where founders do camera-counted squats to rank their startup; listings are free.
  • time-on-x↗Privacy-first Chrome extension for understanding time spent on X.
@eliteayomide 2,059 followers3
1 paying
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  • HyroTrader partnership (affiliate, not his product)↗He is a partner/affiliate of this crypto prop firm; posts a promo code, does not claim to own it.
@flowhaa 1,563 followers3
1 paying
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@mick__net 1,471 followers3
1 paying
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  • Document.Bot↗Local-folder AI workspace: search, cite, and draft across PDFs, Word, Excel, and notes with cloud, EU-hosted, or offline models.
  • Aviation.Bot↗Aviation-regulations copilot over EASA Easy Access Rules with clickable citations, EUR-Lex diffs, and standards mapping.
@tanishkabhonsle 1,418 followers3
1 paying
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  • Personal-finance / lifestyle content↗Content around personal finance and daily life; Instagram was the profile URL before linqworksco.com.
@sheng5wu 906 followers3
1 payingagents
  • SK Monde Consulting↗payingHong Kong consultancy for GTM, marketing, cloud, data, AI, and Web3, bridging Europe and APAC.
  • Kagea↗Discord community AI agent that answers from your docs and moderator replies 24/7.
  • Hyperliquid Hong Kong↗Local Hyperliquid community (X + Telegram) for HK builders, traders, and IRL meetups. Sheng co-leads; she co-hosted the first community event.
@sergeynazarovx 10,800 followers2
2 payingsells attention
  • Screen Charm↗payingmacOS screen recorder with auto-zoom, cursor smoothing, captions, camera overlay, 4K export, and shareable links — aimed at product demos.
  • sponsor.baby↗payingJoke/auction site: companies bid to name his future child.
@montakaoh 2,477 followers2
1 payingsells attention
  • TranslateMom↗payingAI transcription, translation, captions, and dubbing for video/audio (web, Mac, iOS) plus an X bot that replies with subtitled videos.
  • Sponsor.mom↗Auction of four logo corners on TranslateMom’s X reply videos for one month.
@daccas 1,271 followers2
2 paying
  • daccas.com (Daniel Coelho web studio)↗payingSolo WordPress/WooCommerce design and development studio for SMEs: sites, shops, maintenance and integrations.
  • byDaccas↗payingFamily urban clothing brand (hoodies and graphic tees) started in 2021 with his two sons.
@ivanmessinait 17 followers2
1 paying
  • SupportHost↗payingWeb hosting company (shared, WordPress, reseller, VPS, dedicated, domains, email) with human 24/7 support, founded 2010.
  • BillanzbuildingIn-house billing/automation system he is building in public to replace WHMCS as the system SupportHost runs on.
@clivassy 2,856 followers1
1 paying
  • AJ Ventures / Julia Batoro studio↗payingFreelance studio: AI app audits, consulting, and product development for founders (vibecoding, architecture, GDPR).
@w_milczynska 2,628 followers1
1 paying
  • Moya Health↗payingChronic-health companion (starting with eight skin conditions) that logs symptoms, lifestyle, environment and photos on-device, then surfaces co-occurrences and recaps.
@zenmodejon 961 followers1
1 paying
  • ZenMode↗payingDesktop LinkedIn outreach automation that runs on your Mac/Windows machine (real browser and IP), with connection requests, follow-ups, unified inbox, and CRM sync.
@bernhard_xyz 690 followers1
1 paying
  • Builderz↗payingLinkedIn personal-branding agency for founders and executives: positioning, weekly ghostwritten posts, and visibility until the market knows their name.
@raphamassagardi 23 followers1
1 paying
  • AlavancaX↗payingB2B performance-marketing agency: installs the ACE funnel (Attract / Convert / Scale) so qualified leads land in the client's CRM.
@technicalyblond 1,555 followers22
agents
  • Lunary↗Personal astrology PWA: real-astronomy birth chart, transits, tarot, journal, and pattern tracking, plus an Astral Guide chat.
  • MothbuildingWIP autonomous 3D character (Stray / Little Kitty, Big City mashup) that learns in its environment.
  • Orbit↗Autonomous content command centre: 14 specialised AI agents for script, edit, schedule, SEO, and analysis.
  • Lattiq↗Local-first collaborative rich-text editor (Lexical, Yjs, WebSockets).
  • Prism↗Design-engineering component library with an autonomous daily build pipeline.
  • Gamut↗Real-time OKLCH theme builder with token export.
  • Kern↗Interactive variable-font / fluid type explorer.
  • ScapeStudio↗Browser photo editor for fine-art print and t-shirt prep.
  • Strata↗Skia timeline: zoom from ISS to the universe, plus a paid history pack.
  • Pizzazz↗Tiny npm package for click/hover effects.
  • Conjure↗AI prompt builder for Midjourney, FLUX, and DALL·E, plus a Chrome extension.
  • sammii-cli↗Terminal portfolio via npx sammii.
  • Podify↗Turns text/URL into a two-host AI podcast episode.
  • Spellcast↗Self-hosted social scheduler across 8+ platforms.
  • HomebasebuildingCOO-in-a-tab: health, revenue, social, deploy status across her products, with an AI approval queue.
  • iPrep↗AI spoken-interview practice (web + iOS/watchOS).
  • Artify↗Automated daily witchcraft/astrology image, carousel, and reel pipeline.
  • Glint↗Custom analytics on Next.js Edge Middleware.
  • create-mcp-server↗CLI scaffolder for MCP servers.
  • Crystal Index↗Crystal catalogue CMS plus iOS camera ID against the same API.
  • The CSS Color Game↗Daily colour-recognition game with email and sharing.
  • Flip↗Feature-flag and A/B testing service with a JS SDK.
@ersinkoc 11,800 followers11
agents
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  • AGEZT↗buildingDescribed on his GitHub as an agentic operating system.
  • OwnPilot↗buildingPrivacy-first AI assistant platform, listed as actively maintained.
  • DFMT↗Token/context preserver, listed as actively maintained.
  • NothingDNS↗Full DNS server, listed as actively maintained.
  • Labyrinth↗Recursive DNS resolver, listed as actively maintained.
  • CobaltDB↗Modern embedded database for Go, listed as actively maintained.
  • GuardianWAF↗Web application firewall, listed as actively maintained.
  • UWAS↗Unified web server (Apache+Nginx+Varnish+Caddy in one binary), listed as actively maintained.
  • vld↗TypeScript validation library, listed as actively maintained.
@pranvtwt 19,000 followers8
  • ihatepdf↗Browser PDF editor/toolkit (merge, split, compress, convert, sign, OCR, etc.) that runs locally with no upload, watermark, or sign-up.
  • ihatefiles↗Client-side converter for images, video, and audio across 64+ formats; files never leave the device.
  • RankHonestly↗Ebook/site on growing to 100K users without ads, plus free SEO tools and a paid 'Beat the Bid' pay-to-rank leaderboard.
  • heyFormie↗buildingAI-native form builder: paste a website and it generates a form that matches the business/brand.
  • linkFolio↗Upload a resume and get a live personal portfolio in about two minutes, no coding.
  • SpaceTrekk↗Interactive 3D solar-system explorer described as real-time and physics-powered.
  • KeyboardKungFu↗Free typing test to measure WPM and improve speed.
  • playobuildingEsports/gaming-lab project he described as infrastructure-as-a-service for games; he said he would rename it because the name is taken.
@elkriefy 1,027 followers8
agents
  • Catchups.ai↗AI video pipeline: URL/topic/prompt in, narrated captioned MP4 out (article recaps, topic catchups, product updates, etc.) via playground and API.
  • Not Codex↗buildingLocal-first control plane for coding agents (Codex, Claude Code, Cursor, Grok Build, OpenCode, Pi): sessions, worktrees, scheduled automations, bounded loops.
  • Monkey D Loopy↗Factory for bounded, crash-resumable agent loops: declare a LoopSpec, validate/score it, compile to a runnable artifact.
  • auto-skill↗Watches coding-agent sessions, detects repeated workflows, and turns them into reusable skills; v5 adds proactive discovery across 27k+ community skills.
  • StoreReady↗CLI pre-submission checkup for Google Play and Apple App Store (manifest, permissions, privacy, rejection-risk patterns).
  • Agent-Registry↗Lazy-load Claude Code agents so only relevant ones hit the context window (claims 70–90% token savings).
  • claude-swarm-orchestrationFeatured on his GitHub profile: multi-agent coordination with TeammateTool and a Task system.
  • Android 6 EssentialsPackt book (2015) on Android 6 features for building and shipping apps.
@danbuildss 10,500 followers7
agents
  • CORTX↗Reliability monitor for x402 paid APIs: runs a full synthetic USDC payment on Base (availability → terms → price → pay → delivery → schema) and alerts on Telegram when a stage fails.
  • x402Books AI / Luca↗Turns a Base wallet's raw txs into readable books (income/spend, AI-categorized txs, reports). Luca is the Telegram accountant bot (@AskLucaBot / @AskLucaAI).
  • Zetta↗buildingGitHub describes it as financial intelligence for the agent economy: registry, books, Luca Skills, ERC-8004, B20 intelligence. Overlaps the x402Books/Luca stack.
  • DropIN↗buildingCreator/brand rewards and payments with stablecoins, email-claim wallets via Privy. Built with Claude.
  • Somehow Internet↗His independent company wrapping the open-source onchain products above.
  • Why BaseShow/content series (@whybasetv) about building onchain; earlier listed as founding creator and host.
  • agent-wallet-manifest↗Open-source wallet manifest standard for AI agents and onchain agent projects.
@aniketmaurya 3,042 followers6
agents
  • Celesto AI↗Cloud platform that gives AI agents hardware-isolated microVM computers (sandbox, browser, pause/resume, observability).
  • SmolVM / Celesto open-source↗Open-source AI sandbox runtime (Firecracker/QEMU/libkrun) so agents get a persistent, isolated computer.
  • OpenMuse↗Open-source computer coworker that can browse, use apps, and keep working in the background, powered by Celesto.
  • Agentor↗Open-source framework to build and deploy AI agents, MCP tools, and agent-to-agent flows.
  • SmolFS↗buildingDurable filesystem for AI agents (S3-backed, mountable; Rust with Python/TypeScript SDKs and a CLI).
  • LitServe↗Python serving engine he created at Lightning AI for custom AI inference servers (batching, streaming, scaling).
@donidhernandez 1,428 followers6
sells attention
  • Nuzzleway↗iOS pet-care journal: daily plan, check-ins (energy/appetite/mood), routines, care calendar, and a private diary for dogs, cats, and other companions; Android on a waitlist.
  • Sell Bio (sellb.io)↗Link-in-bio that also sells digital products, captures leads, and takes bookings from one page.
  • TopGoblin↗Browser card-roguelite where you run a startup: pick strategy cards, manage Runway/Users/Hype/Tech Debt/Sanity, then survive Due Diligence.
  • Beat Final Boss↗Public raid game for startups: submit a product URL, hit a shared boss, climb a damage board; paid hits are $1 = 1 verified DMG via Stripe.
  • Brand My PC↗Auction of 15 sticker spots on the tempered-glass panel of Doni’s real gaming PC, with logos in build/stream content.
  • FundedOrFucked↗Daily launchpad where founders submit SaaS ideas, the community votes Fund/Cancel, and an AI roasts each idea.
@sokelabs 41 followers6
  • SpiderMind↗Single-owner web-intelligence system that keeps a living model of his projects/goals and turns GitHub/HN/X/RSS/jobs/Stack Exchange/Hugging Face signals into Opportunity Briefs and draft-only actions.
  • TraceAI↗Step-level observability dashboard for AI workflows: traces, retrieval context, validation failures, latency, and model metadata (demo support-reply pipeline).
  • Promptura↗Iteration loop that generates candidate prompts, runs them across multimodal providers, and refines from user feedback.
  • SemanticFS↗Local-first CLI that indexes markdown/text/PDF on-device (SQLite + ChromaDB + sentence-transformers) and searches by meaning.
  • Screenshot Intelligence↗Stateless multimodal tool that turns UI screenshots into structured interface breakdowns, component inventories, and UX/frontend suggestions.
  • MindMap-AI↗Turns academic PDFs into a Neo4j semantic graph and answers questions from graph-selected citations and source passages.
@gaus450 944 followers5
  • AI Job Search Pro | Resume, Interview & Career Toolkit↗Paid digital pack of 100+ prompts/resources to tailor resumes, ATS-optimize applications, write cover letters, prep interviews, and track jobs in ChatGPT/Claude/Gemini.
  • Ultimate 90-Day Printable Planner↗34-page printable PDF planner (daily/weekly/monthly, habits, budget, wellness).
  • Premium Budget Planner↗Digital/printable budget planner listed on the same Gumroad store.
  • Free Pregnancy Printable Planner↗Free/pay-what-you-want printable pregnancy planner (2 ratings on Gumroad).
  • 7 Digital Products That Sell (Free Download)↗Free download listed on the store; title implies a list of digital-product ideas that sell.
@alennushkaa 4,616 followers4
  • Momentum Platform↗Studio assistant for handmade makers: inventory, catalog, orders, income/expenses, and a pricing calculator.
  • AI Image Upscaler↗In-browser image upscaler (2x/3x/4x) using UpscalerJS / esrgan-slim.
  • Movie Watchlist↗Web app to search movies and save a watchlist.
  • Wins App↗Save achievements to reuse on a CV.
@maxrohowsky 1,244 followers4
agents
  • Crosspublish↗Social scheduling tool: write once, tailor per network, post to 10+ platforms, with calendar, analytics, and MCP for Claude/ChatGPT/Cursor.
  • Database Chat↗Web app to chat with a database in natural language.
  • 3D Bluesky Chart↗Web app that plots any Bluesky account’s weekly post activity as a 3D GitHub-style chart.
  • MDX Blog Boilerplate↗Next.js + MDX + Tailwind blog template he published from his own blog.
@princegoldenpro 570 followers4
  • Genxix↗buildingBuilder network where founders, developers, designers, and investors find each other by what they are building.
  • DebugGPT↗AI debugging assistant: paste an error and get root cause, a fix, and a confidence score.
  • FixAR↗ideaAI home-repair copilot: point a camera, get safety-first guidance, know when to call a pro.
  • Humanode IDideaHuman-verification layer so platforms can tell people from bots on an AI-first web.
@spiler 216 followers4
agents
  • arbol.capital↗Self-hosted composable infrastructure (compute, auth, messaging, storage, git, builds, deploys) that his other products sit on.
  • dirb.ai (DirectionBoard)↗buildingInvite-gated workspace where small teams and AI agents share identity, memory, tasks, files, git, deploys and machines; agents are seats with their own accounts.
  • Algorithmic trading platformbuildingExecution, portfolio and backtesting across traditional and crypto venues (incl. IBKR); his sites say 12 venues connected, aiming at 20. Not public.
  • Crypto paymentsideaDesigned (not built) accept/settle crypto payments using the trading platform's venue connectivity.
@airesearch12 5,316 followers3
agents
  • Sandbox as a Service↗API/MCP that gives an AI agent a dedicated Linux VM (own kernel, not a shared container) to run untrusted code, then destroy it.
  • sandbox-as-a-service-mcp↗Open-source MCP server (hosted at sandbox-as-a-service.com/v1/mcp) exposing create/run/file/preview/destroy tools for those VMs.
  • Mindority Report↗Open-source VS Code/Cursor extension: talk to a codebase, get spoken explanations, Mermaid diagrams, and clickable code cards via Gemini Live.
@guillemcraft 4,818 followers3
  • USkin↗iOS app: selfie → AI skin score on six metrics, then barcode-scan a product to see if it fits that skin.
  • toomanypaywalls↗Free, hand-curated database of real iOS paywalls and the onboarding that leads into them; one app added daily.
  • Client design / build work↗Portfolio of product and web work (Microsoft AI, Ratio, Arket, The Brunch Club, FutbolBar, Avanpsi) plus an earlier design-agency practice.
@ryosukes_ 826 followers3
agents
  • Timothe AI↗AI marketing agent that plans, writes, and publishes SEO content; also ships keyword research, a growth calendar, Screen Canvas (Screen Studio-style mockups), and a library of 350+ free tools.
  • Snip0↗buildingSmartphone video editor for iOS and Android. Landing page is bilingual EN/JA and says coming soon to the App Store and Google Play.
  • TwitterMD↗Chrome extension that renders Markdown (code, LaTeX, GFM) as a PNG and tweets it. Built as a student; last GitHub release v1.2.3 (Dec 2018).
@fernandops26 748 followers3
  • Castfit↗Casting tool for brands/agencies hiring UGC creators: one application link, qualify/shortlist against the brief instead of opening 80 portfolios.
  • Litehost↗Share finished client work as one clean professional link (repositioned from 'hosting for developers' to freelancer delivery).
  • Never Off↗One endlessly growing public video made of AI-generated 8-second branded segments that makers buy forever.
@alexmarin 735 followers3
  • SPARC↗buildingShared family planner (calendar, tasks, lists, memory 'moments') with per-person robot companions; App Store waitlist.
  • Swift Cal↗Browser shift-rota calendar: set a repeating pattern, see on/off days, share a read-only link; no account, stays on-device.
  • AX Studios↗London design studio he founded; branding, UI/UX, websites, apps, Framer/Squarespace. Client work includes SPRT (later acquired), Lumi, Quick Passport.
@alexbinninger 309 followers3
  • Boldbobbin↗Web-first embroidery digitizing workspace (browser, Windows, Mac, iPad): auto-trace, photostitch, cross-stitch, lettering, export to DST/PES and other machine formats.
  • ALPS↗SIGGRAPH 2026 paper: gradient-descent low-poly stylization that is valid for fabrication as embroidery, mosaics, etc.
  • SD-piXL↗SIGGRAPH Asia 2024 paper/code for generating low-resolution quantized imagery via score distillation (he compared it to Retro Diffusion for cross-stitch).
@itszishanspace 92 followers3
  • Screenra↗Windows screen recorder with auto-zoom on mouse actions, 4K export, backgrounds, local-first; pitched as a Screen Studio alternative for Windows.
  • Pagerlo↗Described on its site as a smart web highlighter. Previously listed in his X bio as a built product.
  • SavetoWatchFree Chrome extension to save, arrange, resume, and get alerts for unwatched YouTube videos; later added save-to-PDF.
@abo3losh01 44 followers3
  • Vybebat↗Mobile security scanner for Android and iOS that reports only findings it can evidence (OWASP MASVS v2.1), not a pile of noisy alerts.
  • Password Vault↗Offline Windows password manager: one encrypted file, no account, no sync, no network code.
  • PRÜVbuildingA game listed in his bio as work in progress. No site, store page, or description beyond that.
@giutheginger 9,556 followers2
  • in other words (Giulia Camargo consultancy)↗Fractional GTM / marketing practice: personal-brand coaching, AI workshops for non-technical teams, B2B events, and human-led content/video.
  • Sobremesa(tech)↗Curated afterwork dinners/salons on AI, philosophy, and society; site and her homepage claim 400+ members across 3 cities.
@__plotnikova 1,561 followers2
  • Trender AI (trndr / @trndr_app)↗AI content workshop that turns an idea or text into ready-to-post carousels, reel scripts with a teleprompter, and hooks for Instagram, TikTok, Threads, Telegram, YouTube Shorts, and LinkedIn.
  • LinkedLivin↗Members-only apartment sharing / home-swap and renting club for vetted professionals.
@marksherman15 905 followers2
sells attention
  • The Sovereign Feed↗buildingA public real-time leaderboard where founders bid and burn credits by the minute to hold the top ad slot; 10% of burns go to a daily prize vault.
  • My Bizness In A Box↗buildingAI-assisted WordPress site generator that outputs a site the customer owns (code, domain, data), with WooCommerce, Stripe and PayPal baked in.
@alexander_jais 598 followers2
  • MIKA Smart↗buildingAI-native software / KI-Plattform aimed at consulting and private-equity firms. LinkedIn company page says stealth; founder calls it the last piece of software for consulting.
  • YAP Capital↗Munich web3/crypto venture firm he founded; site quotes him as Founder & Managing Partner backing early web3 teams.
@senommu 508 followers2
  • Motoko UI↗Open-source React component library: copy-paste components, blocks, templates; Tailwind, Motion, TypeScript, Radix.
  • Saidso↗building
@ola_onlinee 267 followers2
agents
  • FileSwift↗Online file converter and PDF toolkit that turns PDFs, Word docs and other formats into clean Markdown/JSON and 60+ other pairs, marketed for LLM and RAG pipelines.
  • Stack'd: Build Your Streak↗iPhone habit tracker and daily journal with streaks, check-ins and journaling.
@farzam_habibi 193 followers2
agents
  • Arioo↗buildingTurns what a creator already posts (Instagram scan) into a sellable business: site, 21 revenue models, payments.
  • prodcheck↗Open-source pre-production checklist (4,372–4,394 items) as a site, CLI, MCP server, and review skill; every finding must cite file:line or say UNKNOWN.
@rmad985 160 followers2
agents
  • Prompt Compass↗A 0.57 MB on-device/API prompt router and safety layer that sends simple prompts to a cheap/local model, hard ones to the cloud, or blocks selected PII/jailbreak patterns before an LLM call.
  • Agent Compass↗buildingPrivate-preview layer that reviews an agent's proposed shell/tool/file/API/DB actions and returns continue, ask a human, or block. Not generally available.
@lara_dresden 18 followers2
  • Substack von Lara↗Personal Substack (also linked as substack.com/@larasaxony) used for her writing; profile showed 37 subscribers.
  • KI Forschungsprojekt (emotional AI gaming prototype)buildingPrivate experiment with emotional AI (AWS Bedrock / Claude 3) via a Unity gaming prototype; LinkedIn says 70+ beta testers, Oct 2024–Jun 2025.
@sxmawl 7,273 followers1
agents
  • Cardboard↗Browser-based agentic video editor: upload raw footage, prompt an “AI director,” get a first cut on a real timeline.
@aimalysheva 6,619 followers1
  • Mostik↗Trained 'little bridge' so frozen models from different families exchange hidden states in latent space instead of text; demo: 753B GLM-5.2 reads, 4B Qwen-3.5 writes.
@aidaniil 5,733 followers1
agents
  • Sparkles↗Web app where a team connects GitHub and non-engineers ship reviewable PRs via hosted coding agents (Claude Code, Codex, or OpenCode) in isolated sandboxes.
@itsalicesoul 2,288 followers1
  • FixMyImage↗Free online image editor advertised as 70+ AI tools to enhance, edit, and transform photos.
@elisabethdev_ 2,107 followers1
sells attention
  • takeaseat.lol↗Airplane-cabin page where each seat is a one-time paid ad slot (logo + link); fares from €1, paid via Stripe.
@mnfounder 1,521 followers1
agents
  • personal blogA blog he launched ~25 Jul 2026, posted on LinkedIn, tracked with Cloudflare; written with a Hermes agent crew (Atlas + blogger/designer/copywriter/coder). URL never stated in posts found.
@alishaz1221 1,378 followers1
  • GradIntel↗AI reports for international Master’s/PhD applicants: faculty matching on real publication data, essay hooks, interview Q&As, reach/target/safety lists.
@eze_gh 1,132 followers1
  • Freelance web/Python/automation work↗Offers to take a small web, Python, or automation task, ship a working demo the same day, and get paid after the client sees it.
@yunuscode 776 followers1
  • Rankveo↗Finds keyword opportunities, writes cite-ready content, publishes to the CMS, and tracks Google rankings plus AI citations (ChatGPT, Gemini, Claude, Perplexity).
@ktzyy_ 634 followers1
  • Jiak Simi↗Hyperlocal Singapore food-recommendation app that learns your palate and picks spots (with a why), plus lists, filters, and daily mealtime picks.
@mostafanamian 344 followers1
sells attention
  • GOAT of GOATs↗Paid leaderboard: vote ($1 minimum = 1 vote) and advertise who is the GOAT of GOATs; GOATs ranked by vote count, voters by amount paid.
@shahin43 236 followers1
agents
  • AI agents and workflows in productionbuildingHelps teams build and scale AI agents and workflows in production.
@4guap0 184 followers1
  • Kyte↗Social-media workspace for agencies: plan, draft, client approval (magic link, no login), schedule, inbox, and reports, with an AI (Sky) that learns each client's brand voice.
@iamumairamjad 125 followers1
  • FollowReach↗Human-first outreach for professionals and small teams; site copy: nothing automated, nothing forgotten. Aimed at outreach, lead management, and workflow for agencies and link builders.
@ammaredit 69 followers1
  • Framer website design & development↗buildingUI/UX and Framer development of high-converting websites; he is trying to turn that into a $10k Framer business in 60 days.
@usamasarwar121 51 followers1
  • ICQR Magic Tree↗Interactive 3D 'magic tree' QR-code generator; parent site ICQR sells artistic AI-crafted QR codes.
@martin_kuai 39 followers1
  • Martin Kuai↗Personal site (Chinese) on how he frames problems, gets work into real use, and treats AI as leverage — not a named app or SaaS.
@xpr4win 36 followers1
  • Decimal Life (Deci)↗buildingAI 'life OS': a context engine and living graph over calendar, tasks, notes, goals, and health so it can rank what matters today.
@e_lopini 20 followers1
  • WanderHue↗Map/visualization of how much of a city (and the world) the user has actually explored.
@andregulyi 13 followers1
agents
  • VC-agentbuildingNamed only in the X bio as what he is currently building; no public site, demo, or description beyond the name.