You asked about Team Collaboration
61 people built something like it. 5 are gone.
That is 9% of the ones whose fate we could settle, against 23% across the whole register. 3 were acquired.
| Launched | What it was | Today |
|---|---|---|
| 2021-06-01 | YCDailybot Make all team work visible — people and AI agents · dailybot.com | still up |
| 2025-01-01 | YCOlive Build internal tools with AI · fromolive.com | gone |
| 2024-01-01 | Your team’s AI powered communication tool · atpatchwork.com | gone |
| 2023-01-01 | YCLinkGrep AI browser copilot for teams · linkgrep.com | still up |
| 2024-01-01 | Gives non-technical team members agents that work right out of the box · usesolari.ai | still up |
| 2016-01-01 | AI-First Creative Partner for Enterprise Teams · superside.com | still up |
| 2019-06-01 | YCCoLab Human and AI design review for hardware · colabsoftware.com | still up |
| 2021-01-01 | YCAbacum The AI-native FP&A platform that helps Finance teams drive business… · abacum.ai | still up |
| 2019-01-01 | YCGoLinks Intuitive, easy-to-remember short links - powered by AI. · golinks.io | still up |
| 2023-06-01 | End-to-end content, learning, & deal intelligence for B2B sales teams · letter.ai | still up |
| 2023-06-01 | AI patent drafting, prosecution, litigation and more for legal teams. · solveintelligence.com | still up |
| 2021-06-01 | YCSully Autonomous team of AI agents that runs the entire hospital operations · sully.ai | still up |
| 2021-01-01 | YCHumaans AI-Powered HRIS for high performing teams · humaans.io | still up |
| 2023-06-01 | YCCercli AI powered HR and Recruitment for people teams · cercli.com | still up |
| 2020-01-01 | YCNextmv A DecisionOps platform that accelerates optimization AI teams · nextmv.io | acquired |
| 2021-01-01 | YCSpokn AI-powered video platform for Internal Comms and HR teams · getspokn.com | still up |
| 2023-01-01 | YCInkeep Build AI Agent teammates and automations in code or no-code · inkeep.com | still up |
| 2025-09-01 | YCLexi AI Operating System for Legal Teams · getlexi.io | still up |
| 2021-01-01 | YCweweb.io WeWeb is the AI app builder your IT team will approve. · weweb.io | still up |
| 2025-06-01 | YCFinto AI accounting for enterprise finance teams · gofinto.com | still up |
| 2019-01-01 | YCFlockjay AI-driven learning, content, and coaching for sales teams · flockjay.com | still up |
| 2023-01-01 | Relationship Coverage for Deal Teams · alphawatch.ai | still up |
| 2020-06-01 | YCBrevy Empower your customer service team through AI & automation. · brevy.com | acquired |
| 2023-01-01 | YCFlexDesk AI Agents for corporate real estate teams · flexdesk.com | still up |
| 2021-01-01 | YCRoutine AI-native all-in-one workspace for startups · routine.co | still up |
| 2023-06-01 | YCNectar Manage energy cost & usage with AI for facility & sustainability teams · nectarclimate.com | still up |
| 2023-06-01 | YCVenta AI The compliant AI colleague for sales teams in Europe · getventa.ai | still up |
| 2025-09-01 | YCAbsurd The production canvas for AI film teams · absurd.com | still up |
| 2025-01-01 | AI agents for CX teams, starting with training and QA. · solidroad.com | still up |
| 2022-06-01 | YCAvina GTM signals engine for sales teams. Automate warm outbound with AI. · avina.io | still up |
| 2025-01-01 | Voice AI teams for medicare agencies. · carecycle.ai | still up |
| 2024-01-01 | Helps teams work effectively with AI coding agents. · centauri-ai.tech | still up |
| 2025-01-01 | An AI teammate that automatically updates your customer-facing docs · promptless.ai | still up |
| 2025-09-01 | YCCodyco The AI Reservation Team for Hotel Groups · codyco.ai | still up |
| 2022-01-01 | YCFinnt AI Agents for CFO and Finance teams · finnt.com | gone |
| 2025-09-01 | YCOpenroll The AI workforce for People and Finance teams · openroll.com | still up |
| 2025-09-01 | YCLunaBill AI Voice callers for healthcare billing teams · lunabill.com | still up |
| 2023-01-01 | YCFrigade AI-powered product assistance for modern software teams · frigade.com | still up |
| 2025-06-01 | AI coworkers for fraud and compliance teams. · getsocratix.ai | still up |
| 2023-01-01 | AI-native operating system for analytics teams · turntable.so | gone |
| 2023-06-01 | AI back office for food product quality teams · cognitioiq.com | still up |
| 2023-06-01 | YCPropRise The AI platform for CRE investment teams · proprise.ai | still up |
| 2026-01-01 | YCFullSeam AI agents for corporate accounting teams · fullseam.com | still up |
| 2025-09-01 | YCScott AI The planning layer for teams that build with coding agents · tryscott.ai | still up |
| 2025-09-01 | YCThe Hog Real-time web intelligence API for AI agents and GTM teams · thehog.ai | still up |
| 2023-01-01 | AI Teammates for Data Tasks · tableflow.com | still up |
| 2026-09-01 | YCAucert A team of expert AI agents that test mobile apps on their own. · aucert.ai | still up |
| 2026-01-01 | YCBurt AI teammates for logistics · burthq.com | still up |
| 2026-01-01 | Detect what AI can automate for your team · baseframe.co | still up |
| 2025-09-01 | YCNexus We help non-technical teams build AI agents without engineers · agent.nexus | still up |
| 2024-06-01 | YCHandled AI teammate for finance and operations teams at consumer brands · itshandled.ai | still up |
| 2024-01-01 | YCLumetric The AI Analyst For Deal Teams · lumetric.ai | acquired |
| 2023-01-01 | YCBackdrop Building your AI coworkers for any team, workflow, or industry. · backdropagent.com | still up |
| 2021-06-01 | Sales AI that helps revenue teams move faster and close more deals. · firstquadrant.ai | gone |
| 2024-01-01 | AI system design tools for dev teams · agenticlabs.com | still up |
| 2026-09-01 | AI that works for in-house legal teams · trylightfield.ai | still up |
| 2024-06-01 | YCRescript AI for Legal & Public Policy Teams · rescript.ai | still up |
| 2025-01-01 | YC10x AI Sales Teams for Dental Practices · 10xdental.com | still up |
| 2026-09-01 | AI Data Analyst for fast-growing teams · databuddy.cc | still up |
| 2026-06-01 | YCOneCLI AI teammates for your business-critical work. · onecli.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.