Hackernews posts about S21

S21 is a class of companies that received funding from Y Combinator's Summer 2021 batch of startups.

  1. Launch HN: Cactus (YC S25) – AI inference on smartphones (github.com)
    123 points by HenryNdubuaku 20 days ago | 63 comments
  2. Show HN: YC Network Search – Use natural language to find YC people (sena.so)
    3 points by recmend 2 days ago | 1 comments
  3. How frequently do vulnerabilites affect TLS on Android?
    2 points by CAPSLOCKSSTUCK 14 days ago | 3 comments
  4. Launch HN: Webhound (YC S23) – Research agent that builds datasets from the web
    112 points by mfkhalil 13 days ago | 80 comments
  5. Launch HN: Flywheel (YC S25) – Waymo for Excavators
    103 points by jashmota 14 days ago | 78 comments
  6. Launch HN: Grapevine (YC S19) – A company GPT that actually works (getgrapevine.ai)
    72 points by eambutu 2 days ago | 60 comments
  7. Launch HN: Rowboat (YC S24) – Open-source IDE for multi-agent systems (github.com)
    66 points by segmenta 22 days ago | 28 comments
  8. Launch HN: Simplex (YC S24) – Browser automation platform for developers (www.simplex.sh)
    53 points by marcon680 6 days ago | 28 comments
  9. Launch HN: Ghostship (YC S25) – AI agents that find bugs in your web app
    53 points by jessechoe10 27 days ago | 23 comments
  10. Full Moon: Seestar S50 vs. Samsung S25 (www.4rknova.com)
    44 points by ibobev 29 days ago | 36 comments
  11. Behind y-s2: serverless multiplayer rooms (s2.dev)
    5 points by g0xA52A2A 8 days ago | discuss
  12. Behind y-s2: serverless multiplayer rooms (s2.dev)
    4 points by Bogdanp 8 days ago | 2 comments
  13. The Galaxy Tab S11's best new feature turns it into a powerful Linux computer (www.androidauthority.com)
    3 points by sipofwater 8 days ago | discuss
  14. Grapevine (YC S19) – A Company GPT That Works (getgrapevine.ai)
    2 points by eambutu 15 days ago | 1 comments
  15. Show HN: InsForge AI, Open-Source Alternative to Supabase (YC S20) (insforge.dev)
    2 points by tonychang430 13 days ago | discuss
  16. S1ngularity – What Happened, How We Responded, What We Learned (nx.dev)
    2 points by NicoJuicy 22 days ago | discuss
  17. Controling my SH101 with Code [video] (www.youtube.com)
    2 points by olooney 26 days ago | discuss
  18. S1ngularity/nx attackers strike again (www.aikido.dev)
    1 points by ebfe1 22 days ago | 1 comments
  19. S1M0NE [video] (www.youtube.com)
    1 points by razodactyl 1 day ago | discuss
  20. S1ngularity's Aftermath: AI, TTPs, and Impact in the Nx Supply Chain Attack (www.wiz.io)
    1 points by crescit_eundo 27 days ago | discuss
  21. iPhone Air vs. Samsung S25 Edge (www.zdnet.com)
    1 points by mgh2 27 days ago | discuss
  22. Shai-Hulud malware attack: Tinycolor and over 40 NPM packages compromised (socket.dev)
    1233 points by jamesberthoty 22 days ago | 1019 comments
  23. Immunotherapy drug clinical trial results: half of tumors shrink or disappear (www.rockefeller.edu)
    482 points by marc__1 29 days ago | 92 comments
  24. New antibiotic targets IBD and AI predicted how it would work (healthsci.mcmaster.ca)
    204 points by KLK2019 4 days ago | 82 comments
  25. Show HN: ModelKombat – Arena-style battles for coding models (astra.hackerrank.com)
    10 points by rvivek 22 days ago | 4 comments
  26. Show HN: Cachey, a Read-Through Cache for S3 (github.com)
    3 points by shikhar 24 days ago | 2 comments
  27. Repetitive negative thinking associated with cognitive decline in older adults (bmcpsychiatry.biomedcentral.com)
    531 points by redbell 24 days ago | 243 comments
  28. California bans masks meant to hide law enforcement officers' identities (www.npr.org)
    135 points by 1659447091 17 days ago | 102 comments
  29. Analyzing the memory ordering models of the Apple M1 (www.sciencedirect.com)
    131 points by charles_irl 27 days ago | 69 comments
  30. Minerals represent potential biosignatures in the search for life on Mars (www.nature.com)
    130 points by stevenjgarner 28 days ago | 114 comments
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