Show - HN Paper

Show HN: Play the US President in the real current week; your timeline forks

Show HN: Chatty Lingo – A language practicing app

Show HN: I built a spelling app for kids with my 7-year-old

Show HN: Any Search, One API

Show HN: A Universal Matching Engine

Show HN: OptiSYS – an open source Windows optimizer that isn't snake oil

Show HN: Matrix Engine WGPU – focus on mobile]

Show HN: ESP32 512kB – Tailscale, English to Python LLM and 8 containers local

Show HN: Tabia – The first free, open-source chess opening trainer

Show HN: Cost efficient version control system for Gaming Assets

Show HN: Koala: Cross-Substrate Tactical Representations in Graph-Based Go [pdf]

Show HN: Selora – local model for Home Assistant

Show HN: RealNear – nearby places ranked by quality score, not ads

Show HN: Leakproof – local secret-egress firewall for Claude Code/Cursor/aider

Show HN: Vessel Browser – Open-Source AI-Native Browser with Skills

Show HN: A distributed computing project for finding primes of the form k·2^n−1

Show HN: I turned 250 movies into wormholes

Show HN: Learn math as a tour of duty in a Martian Navy

Show HN: Models Pie – LLMs ranked by fast / cheap / good tradeoffs

Show HN: ReplyVoice – mic overlay that transcribes into any app (Android + PC)

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