Hackernews posts about W21

W21 is a year class in Y Combinator's (YC) accelerator program, indicating that these are startups that were part of the Winter 2021 batch.

1. Launch HN: RunAnywhere (YC W26) – Faster AI Inference on Apple Silicon (github.com)
   240 points by sanchitmonga22 11 days ago | 153 comments
2. Launch HN: Cardboard (YC W26) – Agentic video editor (www.usecardboard.com)
   132 points by sxmawl 23 days ago | 83 comments
3. Launch HN: Terminal Use (YC W26) – Vercel for filesystem-based agents
   115 points by filipbalucha 12 days ago | 73 comments
4. Launch HN: OctaPulse (YC W26) – Robotics and computer vision for fish farming
   111 points by rohxnsxngh 19 days ago | 58 comments
5. Delve (YC W24) – Fake Compliance as a Service – Part I (deepdelver.substack.com)
   106 points by sebmellen 1 day ago | 1 comments
6. Launch HN: Voltair (YC W26) – Drone and charging network for power utilities
   83 points by wweissbluth 2 days ago | 27 comments
7. Launch HN: Voygr (YC W26) – A better maps API for agents and AI apps
   80 points by ymarkov 5 days ago | 60 comments
8. Launch HN: Didit (YC W26) – Stripe for Identity Verification
   77 points by rosasalberto 11 days ago | 66 comments
9. Launch HN: IonRouter (YC W26) – High-throughput, low-cost inference (ionrouter.io)
   71 points by vshah1016 9 days ago | 37 comments
10. Launch HN: Palus Finance (YC W26): Better yields on idle cash for startups, SMBs
    62 points by sam_palus 15 days ago | 93 comments
11. Launch HN: Vela (YC W26) – AI for complex scheduling
    59 points by Gobhanu 16 days ago | 45 comments
12. Launch HN: Canary (YC W26) – AI QA that understands your code
    58 points by Visweshyc 2 days ago | 25 comments
13. Launch HN: Captain (YC W26) – Automated RAG for Files (www.runcaptain.com)
    57 points by CMLewis 8 days ago | 38 comments
14. Launch HN: TeamOut (YC W22) – AI agent for planning company retreats (app.teamout.com)
    55 points by vincentalbouy 24 days ago | 61 comments
15. Launch HN: Kita (YC W26) – Automate credit review in emerging markets
    55 points by rheamalhotra1 4 days ago | 14 comments
16. Launch HN: Sitefire (YC W26) – Automating actions to improve AI visibility
    34 points by vincko about 23 hours ago | 26 comments
17. Launch HN: Sentrial (YC W26) – Catch AI agent failures before your users do (www.sentrial.com)
    31 points by anayrshukla 10 days ago | 14 comments
18. Launch HN: Chamber (YC W26) – An AI Teammate for GPU Infrastructure (www.usechamber.io)
    26 points by jshen96 5 days ago | 7 comments
19. Show HN: YC W26 AgentMBOX agent self-onboarding mailboxes (agentmbox.com)
    3 points by jpzk 10 days ago | discuss
20. Show HN: I had Claude rank every YC W26 startup (www.yctierlist.com)
    2 points by Bahushruth 12 days ago | 2 comments
21. Delve (YC W24) Faked 494 Compliance Reports (systima.ai)
    2 points by jacquesm about 4 hours ago | discuss
22. Hey YC F25, W26, X26 Founders
    2 points by Hirun_w about 8 hours ago | discuss
23. Mintlify Acquires Helicone (YC W23) (www.mintlify.com)
    2 points by mmaia 18 days ago | discuss
24. Grillo Ingenious Italian Jumping Torpedo Boat of WW1 (www.hisutton.com)
    1 points by wood_spirit 7 days ago | discuss
25. Show HN: Polymorph (YC W26) – AI personalization for consumer app engagement (usepolymorph.com)
    1 points by andrewsy 11 days ago | discuss
26. Non-Consumer Hardware Represents ~15% of YC W26 (www.extruct.ai)
    1 points by zkid18 23 days ago | discuss
27. Find your idea faster – explore YC W26, use prompts, copy data, share your idea
    1 points by triggered_code 28 days ago | discuss
28. Tell HN: YC companies scrape GitHub activity, send spam emails to users
    688 points by miki123211 23 days ago | 259 comments
29. PA bench: Evaluating web agents on real world personal assistant workflows (vibrantlabs.com)
    38 points by shahules 24 days ago | 9 comments
30. Show HN: ngrep – grep plus word embeddings (Rust) (github.com)
    3 points by xnan 7 days ago | 2 comments