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1.Show HN: 500 years of Joseon court omens as an observability dashboard (ajin.im)
85 points by poppypetalmask 7 hours ago | 14 comments
2.Show HN: Open Envelope – an open schema for defining AI agent teams (openenvelope.org)
33 points by ashconway 6 hours ago | 2 comments
3.Show HN: Helios – what plug-in solar could generate for any address in Britain (southlondonscientific.com)
114 points by ruaraidh 16 hours ago | 37 comments
4.Show HN: I made a Gemma 4 Mac app that names screenshots with local AI (snapname.app)
4 points by joas_coder 1 hour ago | 2 comments
5.Show HN: Tiny-vLLM – high performance LLM inference engine in C++ and CUDA (github.com/jmaczan)
183 points by yu3zhou4 1 day ago | 16 comments
6.Show HN: Lite-Harness – Self-Hosted Cursor Agents (Use Claude Code/OpenCode) (github.com/litellm-labs)
6 points by detente18 3 hours ago | discuss
7.Show HN: Open-source private home security camera system (end-to-end encryption) (github.com/secluso)
114 points by arrdalan 1 day ago | 25 comments
8.Show HN: Kanji Pairs Explorer (trost.co)
4 points by matthewtoast 4 hours ago | discuss
9.Show HN: TV Explorer. Adding advanced UI to free online TV (tvexplorer.live)
176 points by dtagames 1 day ago | 53 comments
10.Show HN: Babo – A scripting natural language that works as intended (github.com/armbox)
5 points by theqoo 5 hours ago | discuss
11.Show HN: Zot – Yet another coding agent harness (zot.sh)
97 points by patriceckhart 1 day ago | 78 comments
12.Show HN: React-Rewrite – A visual editor for React that writes code, no LLM (github.com/donghaxkim)
2 points by donghaxkim 7 hours ago | discuss
13.Show HN: leaf – one month later: website, releases and lots of improvements (rivolink.mg)
3 points by RivoLink 8 hours ago | discuss
14.Show HN: I built an Android OS in the browser (mobilegym.dev)
19 points by haozaz 21 hours ago | discuss
15.Show HN: Ktx – Open-source executable context layer for data agents (github.com/kaelio)
85 points by lucamrtl 2 days ago | 26 comments
16.Show HN: Continue? Y/N: A 60-second game about AI agent permission fatigue (scalex.dev)
379 points by Wirbelwind 2 days ago | 157 comments
17.Show HN: UN Condemnation Statistics (boxed.github.io)
3 points by boxed 10 hours ago | discuss
18.Show HN: Community Ninja – Find customers searching for your product (communityninja.ai)
3 points by shashanoid 10 hours ago | 1 comment
19.Show HN: Ego lite – why our browser agent writes JavaScript not CLI commands (github.com/citrolabs)
9 points by Nicole9 11 hours ago | 7 comments
20.Show HN: Hallucinate – Massively Multiplayer Online Rave (hallucinate.site)
436 points by stagas 2 days ago | 194 comments
21.Show HN: Jynx, a matchmaking app to find gaming teammates (jynx.app)
4 points by akiro____ 13 hours ago | 4 comments
22.Show HN: VT Code – open-source terminal coding agent in Rust (github.com/vinhnx)
16 points by vinhnx 1 day ago | 4 comments
23.Show HN: Open-Source AI Racing Harness (elodin.systems)
75 points by danAtElodin 2 days ago | 22 comments
24.Show HN: Context-aware Japanese furigana using Sudachi and ModernBERT (ezfurigana.com)
37 points by epitrochoid413 1 day ago | 17 comments
25.Show HN: Free activity calendar for schools, sports clubs, and organizations (freecal.eu)
9 points by glenn_vc 1 day ago | 6 comments
26.Show HN: Promptloop – create, run, and improve prompt evals from the terminal (github.com/bella3202019)
12 points by velapod 1 day ago | 2 comments
27.Show HN: Open-source Workspace (mail,docs,spreadsheet,drive) web/iOS (tinycld.org)
109 points by nathanstitt 3 days ago | 39 comments
28.Show HN: AionOS – self-healing microkernel in Zig (boots on real hardware) (github.com/rodancz)
5 points by rodancz 1 day ago | discuss
29.Show HN: Self Publish Studio (selfpublishstudio.com)
8 points by noahwardlow 1 day ago | discuss
30.Show HN: Oort – A prompt library where every listing has a shipped project (oortstack.com)
6 points by Wesearchpress 1 day ago | 2 comments

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