Hackernews posts about YC W21
YC W21 is Y Combinator's Winter 2021 batch of startup companies.
- Launch HN: Cardboard (YC W26) – Agentic video editor (www.usecardboard.com)
- Launch HN: Captain (YC W26) – Automated RAG for Files (www.runcaptain.com)
- Launch HN: TeamOut (YC W22) – AI agent for planning company retreats (app.teamout.com)
- Launch HN: Sentrial (YC W26) – Catch AI agent failures before your users do (www.sentrial.com)
- Launch HN: Chamber (YC W26) – An AI Teammate for GPU Infrastructure (www.usechamber.io)
- Show HN: YC W26 AgentMBOX agent self-onboarding mailboxes (agentmbox.com)
- Show HN: I had Claude rank every YC W26 startup (www.yctierlist.com)
- Mintlify Acquires Helicone (YC W23) (www.mintlify.com)
- Show HN: Polymorph (YC W26) – AI personalization for consumer app engagement (usepolymorph.com)
- Non-Consumer Hardware Represents ~15% of YC W26 (www.extruct.ai)
- Show HN: Measuring brand share in AI answers – a Y Combinator case study (www.geovector.ai)
- Sentry Acquires Emerge Tools (YC W21) (www.businessinsider.com)
- Infracost (YC W21) Has Raised a $15M Series A: Shifting FinOps Left (www.infracost.io)
- Sentry Acquires Emerge Tools (YC W21) (www.emergetools.com)
- Zepto's (YC W21) $665M Funding Sets Stage for Expansion (thearcweb.com)
- Gigs (YC W21), an 'MVNO in a box', raises $73M Series B (techcrunch.com)
- Vapi (YC W21) Raises $20M to Bring Voice AI to Enterprise (blog.vapi.ai)
- Somos Internet (YC W21) – 100 Gbps Fiber Internet for $80/month? [video] (www.youtube.com)
- Notes from YC W21 to W24, with Love (notes.kevinslin.com)
- Show HN: See the carbon impact of your cloud as you code (dashboard.infracost.io)
- Show HN: TalkToSales makes websites voice-controlled (talktosales.com)