fp.

Show HN: Sameshi – a ~1200 Elo chess engine that fits within 2KB

https://github.com/datavorous/sameshi

156•datavorous_•7h ago•48 comments

Show HN: Arcmark – macOS bookmark manager that attaches to browser as sidebar

https://github.com/Geek-1001/arcmark

50•ahmed_sulajman•4h ago•12 comments

Show HN: Rover – Embeddable web agent

https://www.rtrvr.ai/blog/10-billion-proof-point-every-website-needs-ai-agent

5•arjunchint•22h ago•1 comments

Show HN: Bubble sort on a Turing machine

https://github.com/purplejacket/bubble_sort_on_tm

4•purplejacket•23h ago•0 comments

Show HN: GitHub "Lines Viewed" extension to keep you sane reviewing long AI PRs

https://chromewebstore.google.com/detail/github-lines-viewed/npledcbofpmjjammgkkoeaehbphhdopi

4•somesortofthing•1d ago•0 comments

Show HN: A playable toy model of frontier AI lab capex decisions

https://darios-dilemma.up.railway.app/

4•jimmyechan•13h ago•0 comments

Show HN: I spent 3 years reverse-engineering a 40 yo stock market sim from 1986

https://www.wallstreetraider.com/story.html

666•benstopics•4d ago•225 comments

Show HN: Open Notes – Community Notes-style context for Discord

https://opennotes.ai/discord-bot

5•anateus•21h ago•0 comments

Show HN: SQL-tap – Real-time SQL traffic viewer for PostgreSQL and MySQL

https://github.com/mickamy/sql-tap

217•mickamy•16h ago•40 comments

Show HN: Open-source CI for coding with AI

https://github.com/sburl/CrossCheck

3•sburl•1d ago•0 comments

Show HN: A reputation index from mitchellh's Vouch trust files

https://vouchbook.dev/

3•rosslazer•23h ago•0 comments

Show HN: PolyMCP – A framework for building and orchestrating MCP agents

2•justvugg•1h ago•1 comments

Show HN: Data Engineering Book – An open source, community-driven guide

https://github.com/datascale-ai/data_engineering_book/blob/main/README_en.md

235•xx123122•23h ago•27 comments

Show HN: Azazel – Lightweight eBPF-based malware analysis sandbox using Docker

https://github.com/beelzebub-labs/azazel

2•mariocandela•2h ago•0 comments

Show HN: Prod.bd – Open-Source Ngrok Alternative Powered by Cloudflare Workers

https://prod.bd/

3•mrmillon•3h ago•2 comments

Show HN: ScreenKite: Free alternative to Screen Studio with 4x export speed

https://www.screenkite.com/en

3•imWildCat•4h ago•1 comments

Show HN: I built a concurrent BitTorrent engine in Go to master P2P protocols

3•Jyotishmoy•5h ago•4 comments

Show HN: Prompt to Planet, generate procedural 3D planets from text

https://prompttoplanet.n4ze3m.com/

10•error404x•13h ago•12 comments

Show HN: Skill that lets Claude Code/Codex spin up VMs and GPUs

https://cloudrouter.dev/

131•austinwang115•1d ago•33 comments

Show HN: Windows 98½ – fake desktop, real Internet

https://win9-5.com/demo

5•keepamovin•5h ago•6 comments

Show HN: Markdown Prism – A Non-Electron Markdown Editor for macOS

https://prism.huconn.xyz

4•hulryung•6h ago•0 comments

Show HN: ClipPath – Paste screenshots as file paths in your terminal

https://github.com/BiteCraft/ClipPath

15•viniciusborgeis•20h ago•1 comments

Show HN: Trained YOLOX from scratch to avoid Ultralytics (iOS aircraft detect)

https://austinsnerdythings.com/2026/02/13/training-yolox-aircraft-detection-mit-license/

2•auspiv•6h ago•0 comments

Show HN: Terminalcore – The Rhythm Game for PC

https://terminalcore.vercel.app/

3•Kejii_2770•6h ago•1 comments

Show HN: Moltis – AI assistant with memory, tools, and self-extending skills

https://www.moltis.org

116•fabienpenso•2d ago•44 comments

Show HN: Geo Racers – Race from London to Tokyo on a single bus pass

https://geo-racers.com/

142•pattle•2d ago•86 comments

Show HN: OpenWhisper – free, local, and private voice-to-text macOS app

https://github.com/richardwu/openwhisper

33•rwu1997•1d ago•14 comments

Show HN: A small embeddable Datalog engine in Zig

3•habedi0•7h ago•0 comments

Show HN: I'm 75, Building an OSS Virtual Protest Protocol

https://github.com/voice-of-japan/Virtual-Protest-Protocol/blob/main/README.md

6•sakanakana00•7h ago•0 comments

Show HN: Wa Me It All – WhatsApp Chat Without Spamming Your Contacts

3•franze•3h ago•0 comments