1.
Show HN: Open-Source AI Racing Harness
2.
Show HN: Open-source Workspace (mail,docs,spreadsheet,drive) web/iOS
3.
Show HN: I made an emergency page for my family
4.
Show HN: CSP Radar – Build a Content Security Policy without breaking your site
5.
Show HN: Posthorn, self-hosted mail gateway
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Show HN: Filemat – an open-source web-based file manager
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Show HN: Claude Code's $200 plan is a 17× subsidy on the raw API
8.
Show HN: A website that tracks every stock trade Congress makes
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Show HN: OAuth 2.0 framework for MCP servers
10.
Show HN: Hodor – a 701KB native macOS prompt launcher for AI tools
11.
Show HN: Demon – open-source real-time music diffusion engine, 25Hz local GPU
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Show HN: Gochan – A library of channel architectures for Go, inspired by Rust
13.
Show HN: Enigma – a walkthrough from Caesar ciphers to a working Enigma machine
14.
Show HN: OpenBrief – Local-first video downloader/summarizer
15.
Show HN: Rapel – chunked resumable downloads in unstable networks
16.
Show HN: Game Boy pixel pipeline explorer
17.
Show HN: Audiomass – a free, open-source multitrack audio editor for the web
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Show HN: CoreTex – An Open-Source, Unix-like, biomimetic, flat-file AI Harness
19.
Show HN: Gave Claude Code ADHD.. Now it thinks 3x better
20.
Show HN:The skill to resume work on Claude Code without unnecessary context
21.
Show HN: Droast, a Dockerfile linter that stopped being polite
22.
Show HN: Geomatic – A command-driven geometry studio enabled with autodiff
23.
Show HN: TUI to keep track of local GSD (get-shit-done) projects
24.
Show HN: Axion – Browser-based guitar amp/effects rig
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Show HN: Cross-agent messaging and shared memory over the local filesystem
26.
Show HN: skills-for-humanity – 171 structured reasoning skills for Claude Code
27.
Show HN: Fungible – A local personal finance app in the terminal
28.
Show HN: DDoS detection in 500 lines of Python (MIT, no cloud, no account)
29.
Show HN: Epstein Index – Stock returns of Epstein-linked companies since 2008
30.
Show HN: NeuroFlow 55.8x video inference speedup for Vision Transformers PyTorch