You asked about AR
288 people built something like it. 30 are gone.
That is 11% of the ones whose fate we could settle, against 23% across the whole register. 22 were acquired.
| Launched | What it was | Today |
|---|---|---|
| 2023-01-01 | YCTennr Fast, Transparent Patient Experiences · tennr.com | still up |
| 2023-01-01 | YCAlaan Modern finance platform for the Middle East · alaan.com | still up |
| 2023-01-01 | YCWarp AI-native Employee Management Platform for High-Growth Companies · warp.co | still up |
| 2023-06-01 | End-to-end content, learning, & deal intelligence for B2B sales teams · letter.ai | still up |
| 2023-06-01 | The operating system for inbound B2B revenue · hockeystack.com | still up |
| 2023-01-01 | YCRUUF Managed marketplace for solar in Latam · ruuf.cl | still up |
| 2023-06-01 | YCLangdock The all-in-one AI platform for companies. · langdock.com | still up |
| 2023-01-01 | YCSuger Salesforce for Cloud marketplaces on AWS, Azure, GCP · suger.io | still up |
| 2023-01-01 | YCLatent Medical language models to automate healthcare operations · latenthealth.com | still up |
| 2023-06-01 | YCVetRec AI Scribe for veterinarians. Saving time and improving patient care. · vetrec.io | still up |
| 2023-01-01 | YCPirros AI Platform for Architects and Engineers · pirros.com | still up |
| 2023-06-01 | B2B debt collection powered by AI agents · agentcollect.com | still up |
| 2023-06-01 | Navigating patients to the right place, first time. · healthtech1.uk | still up |
| 2023-06-01 | YCCasca Make Banking Magical · cascading.ai | still up |
| 2023-01-01 | AI-powered care for seniors with chronic disease · kivohealth.com | still up |
| 2023-01-01 | Empowering Autism Care Providers to Go Independent · finnihealth.com | still up |
| 2023-01-01 | AI-based full stack observability platform · middleware.io | still up |
| 2023-06-01 | Helping businesses in emerging markets make pay their international… · capimoney.com | still up |
| 2023-01-01 | YCLittio Dollar banking for people in Latin America · littio.co | still up |
| 2023-06-01 | AI-native operations for the banks · bretton.com | still up |
| 2023-06-01 | Revenue Activation Platform · hyperbound.ai | still up |
| 2023-06-01 | YCOutset AI-powered user interviews · outset.ai | still up |
| 2023-01-01 | YCPeeba Risk-free wholesale for retailers across Southeast Asia · peeba.com | gone |
| 2023-06-01 | AI Operating System for Private Market Investors · vectorshift.ai | still up |
| 2023-06-01 | YCGiga AI Support Agent for Enterprises. · giga.ai | still up |
| 2023-01-01 | Automate data-driven slide decks and documents with AI · rollstack.com | still up |
| 2023-01-01 | YCEscape Offensive security for the teams that are 100x outnumbered · escape.tech | still up |
| 2023-01-01 | YCVitalize Transforming how health systems optimize labor · vitalize.care | still up |
| 2023-06-01 | Claims infrastructure for African health insurance · edencaremedical.com | still up |
| 2023-01-01 | YCWaza B2B payments platform for emerging markets. · waza.co | still up |
| 2023-01-01 | YCYuma AI The AI Support Agent for Ecommerce · yuma.ai | still up |
| 2023-01-01 | YCProglix B2B Marketplace for Steel Raw Materials · proglix.com | still up |
| 2023-01-01 | YC222 the AI social facilitator for offline human to human interactions · 222.place | still up |
| 2023-01-01 | YCDepot Software delivery built for machine scale. · depot.dev | still up |
| 2023-06-01 | YCkapa.ai The fastest way to build AI assistants on technical content · kapa.ai | still up |
| 2023-06-01 | TurboTax for Medicaid · fortunahealth.com | still up |
| 2023-01-01 | YCMetal Metal is an AI-driven operating system for fundraising · metal.so | still up |
| 2023-01-01 | YCVector Advertising for the new internet · vector.co | still up |
| 2023-01-01 | AI-Powered Super Mentor for Test Prep · superkalam.com | still up |
| 2023-01-01 | YCloopfour Workflow automation, without AI hallucinations. · loopfour.com | still up |
| 2023-06-01 | AI enabled marketplace matching trucks with jobs · fleetworks.ai | still up |
| 2023-06-01 | YCElyos AI AI Customer Service Agents for trades and field services · elyos.ai | still up |
| 2023-06-01 | YCReadily AI Compliance Platform for Healthcare Organizations · readily.co | still up |
| 2023-06-01 | YCTiptap The open-source document editor for humans and AI agents. · tiptap.dev | still up |
| 2023-06-01 | YCNumen Engineering a future without cancer deaths. · numen.com | still up |
| 2023-01-01 | B2B marketplace for Auto Dealers in Africa · shekelmobility.com | still up |
| 2023-01-01 | YCPoloTab Restaurant software that actually works · polotab.com | still up |
| 2023-06-01 | YCFlint Personalized learning built for schools · flintk12.com | still up |
| 2023-06-01 | YCArtie Software that streams data from databases to warehouses in real-time · artie.com | still up |
| 2023-01-01 | Automating Healthcare Revenue Cycle Management with AI Workforce · combinehealth.ai | still up |
| 2023-01-01 | YCSyncly Social listening for the video era · syncly.app | still up |
| 2023-06-01 | The all-in-one EMR built for med spas and elective care · decodahealth.com | still up |
| 2023-01-01 | Transform any software to multi-cloud SaaS in minutes not years · omnistrate.com | still up |
| 2023-06-01 | AI Agents For RFP and Questionnaire Response Automation · inventive.ai | still up |
| 2023-01-01 | YCConduit The operating system for shipping and receiving. · helloconduit.com | still up |
| 2023-06-01 | Make more $$$ with SEO and AEO · maintouch.com | still up |
| 2023-01-01 | The Control Plane for Enterprise Agents · credal.ai | still up |
| 2023-06-01 | YCPure Marketplace for Rare Coins & Precious Metals · collectpure.com | still up |
| 2023-01-01 | YCinBuild Workflow Automation for Construction Finance · inbuild.ai | still up |
| 2023-01-01 | YCCosine Fully Agentic SWE · cosine.sh | 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.