You asked about Web Development
33 people built something like it. 3 are gone.
That is 11% of the ones whose fate we could settle, against 23% across the whole register. 5 were acquired.
| Launched | What it was | Today |
|---|---|---|
| 2022-01-01 | We make Orca, MIT open source terminal-based agent orchestrator · onorca.dev | still up |
| 2025-01-01 | Open Source React.js Library for AI Chat · assistant-ui.com | still up |
| 2022-06-01 | AI Models for GIS · buntinglabs.com | still up |
| 2023-06-01 | YCRepaint Build a website by chatting with AI · repaint.com | still up |
| 2016-06-01 | YCScale AI Data-centric infrastructure to accelerate the development of AI · scale.com | still up |
| 2021-06-01 | YCAnakin One API to get clean data from any website for your AI agents at scale · anakin.io | still up |
| 2022-06-01 | YCCODEXA AI Agent runs the entire international trade operation · codexa.com.br | still up |
| 2017-01-01 | YCScribe Scribe is an AI based Sales Development Representative that you can… · tryscribe.com | acquired |
| 2024-06-01 | YCSepal AI Data Development for Advanced AI · sepalai.com | acquired |
| 2019-06-01 | YCRamen VR Ramen VR is transforming game development with advanced XR + AI tools. · ramenvr.com | still up |
| 2021-06-01 | AI-Powered Business Development for Scientific Organizations · firstignite.com | acquired |
| 2024-06-01 | YCSpur Spur is your AI QA Engineer. Test your websites with natural language. · spurtest.com | still up |
| 2022-06-01 | YCSuperbar Sales AI for your Website · superbar.ai | still up |
| 2025-06-01 | YCEmbedder Hardware-Aware AI for Embedded Software Development · embedder.com | still up |
| 2023-06-01 | Building the AI-powered marketing ops platform that turns website… · withsurface.com | still up |
| 2023-06-01 | Open source GenAI development platform · flowiseai.com | acquired |
| 2025-06-01 | YCLark The E2E testing layer for AI-driven development · getlark.ai | still up |
| 2025-06-01 | YCAutosana AI agents for E2E testing across mobile & web · autosana.ai | still up |
| 2020-01-01 | Build & launch your website in minutes with AI · typedream.com | acquired |
| 2025-01-01 | YCNitrode Frontier AI research to advance game development · nitrode.com | still up |
| 2021-06-01 | Web infra for AI agents · hyperbrowser.ai | still up |
| 2026-06-01 | AI cybersecurity for financial institutions' digital assets · verdictmachine.com | still up |
| 2024-01-01 | AI Website platform that grows revenue automatically · ion.design | still up |
| 2022-06-01 | AI Sales Rep for Website Intent Signals · penguinai.app | gone |
| 2023-01-01 | YCAdri AI Your AI Partner for SAP Development · getadri.ai | still up |
| 2024-06-01 | Turn any website into an API. · expand.ai | still up |
| 2025-09-01 | YCThe Hog Real-time web intelligence API for AI agents and GTM teams · thehog.ai | still up |
| 2023-06-01 | YCVango AI Development platform that makes it 10x easier to improve visual models · vango.ai | gone |
| 2024-06-01 | ideate.xyz is an AI-powered 3D art suite on the web · ideate.xyz | still up |
| 2022-06-01 | AI powered web & mobile automation · dev-tools.ai | gone |
| 2026-09-01 | YCORO AI Continuously improving evals for agentic commerce · oroagents.com | still up |
| 2026-06-01 | We give AI agents realtime web context via API · context.dev | still up |
| 2022-01-01 | YCAYC Fund AI-native crypto hedge fund · aycfund.com | still up |
How this compares
The register re-probes every domain it holds. Some that answered last month stop answering. We send that list — what went quiet, and what it was — once a month. Nothing else.
How this was made. Show HN entries are every post from 2021 to 2023 with at least five points that linked to its own domain; code hosts and free hosting are excluded, because a repository outlives the effort behind it. Product Hunt entries needed 100 votes — a far higher bar, so they are the promoted top slice rather than a like-for-like sample. Both are judged by asking the domain whether it still answers: gone means it no longer resolves, refuses the connection, serves a parking page, or says plainly that it shut down. An HTTP error is not counted as gone — a server answering 404 is one somebody still pays for, and an audit of 25 gone-calls found two such sites alive with only a moved homepage. Y Combinator entries use the status YC publishes itself, which is why only those can say acquired. Squatted domains — a lapsed name now serving somebody else's site — are not detected, so these figures run slightly low.