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. Show HN: See the carbon impact of your cloud as you code
   11 points by hkh 5 days ago | 3 comments
2. Launch HN: Onyx (YC W24) – Open-source chat UI
   254 points by Weves 26 days ago | 160 comments
3. Launch HN: InspectMind (YC W24) – AI agent for reviewing construction drawings
   58 points by aakashprasad91 11 days ago | 56 comments
4. Launch HN: Browser Buddy (YC W24) – A recommendation system for Internet writing (www.browserbuddy.com)
   51 points by alien0006 17 days ago | 37 comments
5. Launch HN: Kenobi (YC W22) – Personalize your website for every visitor
   46 points by sarreph 4 days ago | 56 comments
6. WW1 toxic compound sprayed on Georgian protesters, BBC evidence suggests (www.bbc.com)
   38 points by etiam 20 days ago | 7 comments
7. Lessons from Building (and Closing) Double Finance (YC W24) (jjmaxwell4.com)
   4 points by jjmaxwell4 12 days ago | 1 comments
8. Improving RAG Accuracy with Chess Elo Scores (ZeroEntropy YC W25) [video] (www.youtube.com)
   2 points by medbar 10 days ago | discuss
9. Rocketable: Buy companies and fire all their employees (YC W25) (www.ycombinator.com)
   1 points by conartist6 18 days ago | 2 comments
10. Show HN: Autofix Bot – Hybrid static analysis and AI code review agent
    37 points by sanketsaurav 10 days ago | 13 comments
11. Show HN: A Web UI Generator for Rust CLI Projects (github.com)
    1 points by wb14123 16 days ago | discuss
12. The optimal public transit price is near zero [pdf] (www.nber.org)
    4 points by jacobedawson 3 days ago | 3 comments
13. Engineering analysis of 3I/ATLAS as a sublimation-driven body (osf.io)
    4 points by Alis_Muzar 9 days ago | discuss
14. Implicit contract assertions: a systematic mechanism to fix all UB C++ [pdf] (www.open-std.org)
    3 points by germandiago 1 day ago | 2 comments
15. Locales, encodings, Unicode, and C++ [pdf] (www.open-std.org)
    2 points by fanf2 20 days ago | 1 comments
16. Computer animation in 1961: the Stanford card stunt program. (YouTube) [video] (www.youtube.com)
    2 points by fanf2 23 days ago | 1 comments
17. I used an algorithm to see every inch of my neighborhood (youtu.be)
    2 points by dbsdev 22 days ago | discuss
18. Are You Human Network (teams.microsoft.com)
    1 points by ggherbobooh 16 days ago | 3 comments
19. Client-side text sharing via compressed URLs (btoa.link)
    1 points by weiliddat 7 days ago | discuss
20. Bold text generator free, no install, try now (boldtextgenerator.space)
    1 points by wu1064442747 13 days ago | discuss
21. Chafa: Terminal Graphics for the 21st Century (hpjansson.org)
    227 points by birdculture 6 days ago | 33 comments
22. X210Ai is a new motherboard to upgrade ThinkPad X201/200 (www.tpart.net)
    196 points by walterbell 20 days ago | 80 comments
23. How to Write a 21st Century Proof (2011) [pdf] (lamport.azurewebsites.net)
    21 points by User23 5 days ago | 1 comments
24. Commodore 64 Ultimate Review: 21st Century Computing from a 1982 perspective (www.tomshardware.com)
    6 points by amichail 6 days ago | discuss
25. AI Could Be the Railroad of the 21st Century. Brace Yourself (www.derekthompson.org)
    5 points by DeathArrow 9 days ago | 1 comments
26. Vaadin 25.0: Modernizing the Java Web Stack (Java 21, Spring Boot 4, 100% Lit) (vaadin.com)
    4 points by spicyroman 3 days ago | 1 comments
27. We mapped 121,000 videos to figure out how TikTok learns your interests (www.washingtonpost.com)
    3 points by reaperducer 11 days ago | discuss
28. LST-1 follow-up of the exceptionally bright gamma-ray burst GRB 221009A (arxiv.org)
    3 points by belter 19 days ago | discuss
29. List of unusual deaths in the 21st century (en.wikipedia.org)
    3 points by throw310822 21 days ago | discuss
30. X.org Server 21.1.21 Released to Fix Several Regressions (www.phoronix.com)
    3 points by doener 26 days ago | discuss