Show - HN Paper

Show HN: Three Emojis, a daily word puzzle for language learners

Show HN: I built a single-binary university LMS that is actually easy to use

Show HN: I built single time-sorted place to read HN, Tildes, Lobsters, Slashdot

Show HN: DocSumm AI – Source-linked summaries for long PDFs/URLs

Show HN: Warp Documentation Automation – Built with Claude (99% Automatic)

Show HN: I made a browser extension to practice phonetic scripts (like katakana)

Show HN: Covpeek – Cross-language coverage report CLI parser (Rust/Go/TS/Python)

Show HN: I'm giving Claude Sonnet 4.5 for free to those who need it with ads

Show HN: AI App Store with a User-Controlled Shared Memory Layer

Show HN: I built a tool to answer any League of Legends E-sports data questions

Show HN: Free analyzer that finds outdated content before it kills your traffic

Show HN: Straight-to-video, for client-side video remuxing/transcoding

Show HN: Why connecting CRM, task tools and workflows becomes critical for SMBs

Show HN: Budget tracking: no sign up, no ads, offline, free

Show HN: Typefaster – A typing test where you race against your own avg speed

Show HN: Burner Terminal, Tap to Pay Stablecoin Payments

Show HN: MCP ShellKeeper – Persistent SSH Sessions for AI Assistants

Show HN: React Prompt Kit

Show HN: Hellocafe.ai – open-source voice and chat enabled AI ordering system

Show HN: Slidef – Transform PDF presentations into embeddable web slides