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: Kampala (YC W26) – Reverse-Engineer Apps into APIs (www.zatanna.ai)
   100 points by alexblackwell_ 19 days ago | 83 comments
2. W2A – Open Protocol for Agent Perception (github.com)
   5 points by DanielWen666 6 days ago | discuss
3. Artisan (YC W24) uses AI to rip off "This is Fine" artist for ad (bsky.app)
   2 points by starkparker 2 days ago | discuss
4. Aggregated interviews on how YC W26 founders build internal AI employees (www.humanbehavior.co)
   1 points by SkylerJi 20 days ago | 1 comments
5. Show HN: Open Access Qwen3.6-35B-A3B-UD-Q5_K_M with TurboQuant
   4 points by freakynit 18 days ago | 2 comments
6. Show HN: Built a personality that lives across CLI, browser, and web –> all solo
   2 points by thomasgeelens 22 days ago | discuss
7. Level 5 – Weekly live demos from advanced AI users
   2 points by bilaxten 26 days ago | discuss
8. An attempt at explaining bipolar disorder and psychosis (osf.io)
   4 points by anon1253 8 days ago | discuss
9. An attempt at explaining bipolar disorder and psychosis (osf.io)
   2 points by anon1253 2 days ago | discuss
10. Dinstinguishing between coroutines and fibers [pdf] (www.open-std.org)
    2 points by dgan 11 days ago | discuss
11. Short and Long-Term Consequences of Intra-Household Disease Spread [pdf] (www.nber.org)
    2 points by alphabetatango 12 days ago | discuss
12. Letter from van Gogh: "No, [ ], learn how to dance, or fall in love" (www.webexhibits.org)
    1 points by jdcampolargo 5 days ago | discuss
13. Behind the Screens (behind-the-screens.tv)
    1 points by jgrahamc 17 days ago | discuss
14. Virtual Tour of the CFS Commercial Fusion Campus (April 2026) [video] (www.youtube.com)
    1 points by mpweiher 23 days ago | discuss
15. Show HN: Excalidraw-edit – Open and edit .excalidraw files from the terminal (github.com)
    1 points by wh1le 24 days ago | discuss
16. Interval-Aware Caching for Druid at Netflix Scale (netflixtechblog.com)
    4 points by wb14123 20 days ago | discuss
17. Intel Releases OpenVINO 2026.1 with Back End for Llama.cpp, New Hardware Support (www.phoronix.com)
    4 points by wb14123 22 days ago | discuss
18. Sciwrite-Lint: Verification Infrastructure for the Age of Science Vibe-Writing (arxiv.org)
    3 points by wb14123 21 days ago | discuss
19. WebGPU – One Graphics API to Rule Them All (www.kitware.com)
    2 points by wb14123 21 days ago | discuss
20. TCode: An AI Coding Agent Leverages Neovim and Tmux (www.binwang.me)
    1 points by wb14123 19 days ago | discuss
21. Helping data centers deliver higher performance with less hardware (news.mit.edu)
    1 points by wb14123 19 days ago | discuss
22. The FCC is about to ban 21% of its test labs today. I mapped them all (markready.io)
    129 points by chambertime 5 days ago | 83 comments
23. Zed, A sans for the needs of 21st century (2024) (www.typotheque.com)
    57 points by yurivish 23 days ago | 22 comments
24. California officials charge 21 people in hospice fraud ring exceeding $250M (abc7.com)
    10 points by Alupis 25 days ago | 1 comments
25. Show HN: Llm.sql – Run a 640MB LLM on SQLite, with 210MB peak RSS and 7.4 tok/s
    8 points by aldielshala 11 days ago | 2 comments
26. Zed: A sans for the needs of the 21st century (www.typotheque.com)
    7 points by kaitak 29 days ago | 1 comments
27. Wikimedia Foundation closes Wikinews after 21 years (en.wikinews.org)
    6 points by benwills 1 day ago | 1 comments
28. 21-year-old Polish Woman Fixed a 20-year-old Linux Bug (itsfoss.com)
    6 points by tempodox 10 days ago | 1 comments
29. FBI: Americans lost a record $21B to cybercrime last year (www.bleepingcomputer.com)
    5 points by anonhaven 27 days ago | 1 comments
30. KDE Merges Per-Screen Virtual Desktops After 21 Years (www.phoronix.com)
    5 points by Brajeshwar 21 days ago | discuss