Hacker News / Show HN

Show | Hacker News Hacker News new | past | comments | ask | show | jobs | submit login Please read the Show HN rules and tips before posting. You can browse the newest Show HNs here . 1. Show HN: ClipTunes, string together trimmed YouTube video clips ( cliptunes.app ) 2 points by jhedlund 19 minutes ago | discuss 2. Show HN: Rackp – a protocol for deriving fault when AI agents cause incidents ( github.com/rackp-io ) 2 points by rackp 42 minutes ago | discuss 3. Show HN: I Built an Accent Changer App ( accentchanger.com ) 2 points by wbemaker 49 minutes ago | discuss 4. Show HN:I built an open alternative to Simplify for autoapplying to LinkedIn job ( jobeasyapply.com ) 3 points by workplace_1 1 hour ago | discuss 5. Show HN: Firefox in WebAssembly ( puter.com ) 221 points by coolelectronics 15 hours ago | 108 comments 6. Show HN: Cybara – An open-source AI agent platform built with Bun ( github.com/metaspartan ) 2 points by carsenk 1 hour ago | discuss 7. Show HN: Effort Lab – Same running pace, different heart rate zones ( motraapp.com ) 2 points by timmonty 1 hour ago | 2 comments 8. Show HN: My triathlon coach (not a human) now texts me on iMessage ( athletedata.health ) 3 points by daniel_s 1 hour ago | discuss 9. Show HN: Skillful, stop maintaining the same AI workflow in five places ( skillful.md ) 2 points by mastermindzh 1 hour ago | discuss 10. Show HN: One More Letter ( playonemoreletter.com ) 77 points by hmate9 13 hours ago | 51 comments 11. Show HN: misa77 - a codec that decodes 2x faster than LZ4 (at better ratios) ( github.com/welcome-to-the-sunny-side ) 148 points by nonadhocproblem 20 hours ago | 46 comments 12. Show HN: E-- – A language you dial between English and Python ( github.com/frmoded ) 26 points by OdedF 13 hours ago | 16 comments 13. Show HN: Low-latency local LLM runner via OpenJDK Panama FFM (Java 22) ( github.com/projectargus-cc ) 38 points by KingJoker 17 hours ago | 8 comments 14. Show HN: Capn-hook for coding agents – don't grep the same mystery twice ( github.com/cyrusnuevodia ) 28 points by knrz 18 hours ago | 5 comments 15. Show HN: Microcosm Industries – Simulation toys and software microcosms ( microcosm.industries ) 16 points by arbesman 16 hours ago | 2 comments 16. Show HN: I made ts-node alternative, ttsc/ttsx, a TypeScript-go toolchain ( github.com/samchon ) 5 points by autobe 5 hours ago | discuss 17. Show HN: A cross-platform app for meeting notes and items that don't get lost ( github.com/kestermckinney ) 6 points by kestermckinney 11 hours ago | discuss 18. Show HN: Make senders work to get into your inbox ( captchainbox.com ) 41 points by felixdoerp 1 day ago | 68 comments 19. Show HN: Kosh – a self-hosted personal finance app ( github.com/kzekiue ) 2 points by kzekiue 6 hours ago | discuss 20. Show HN: Opening lines of famous literary works ( verbaprima.com ) 175 points by plicerin 1 day ago | 103 comments 21. Show HN: 18KB ls alternative in no_std rust and Libc ( crates.io ) 22 points by tracyspacy 22 hours ago | 5 comments 22. Show HN: For 10 World Cups, my model's 2 favorites had the champion every time ( ssrn.com ) 38 points by fabioricardo7 1 day ago | 51 comments 23. Show HN: Clawk – Give coding agents a disposable Linux VM, not your laptop ( github.com/clawkwork ) 221 points by celrenheit 2 days ago | 156 comments 24. Show HN: Beautiful Type Erasure with C++26 Reflection ( ryanjk5.github.io ) 116 points by RyanJK5 1 day ago | 58 comments 25. Show HN: Resultant Engineering Student Tools Site ( resultant.tools ) 3 points by will2092347 12 hours ago | discuss 26. Show HN: Painterly – Turn pictures into digital paintings without generative AI ( github.com/jbunke ) 21 points by flinkerflitzer 19 hours ago | 4 comments 27. Show HN: SirixDB 1.0 Beta – Git-Like Versioning, Diffs, Time-Travel Queries ( github.com/sirixdb ) 12 points by lichtenberger 18 hours ago | 6 comments 28. Show HN: Web App Uses RTL-SDR to Align HDTV Antenna ( tunerscope.com ) 26 points by robotastic 1 day ago | 3 comments 29. Show HN: CloudDM 4.0 – open-source database development platform ( github.com/clougence ) 4 points by cloudcanalx 12 hours ago | 3 comments 30. Show HN: Spellsurf – Create words from words ( spellsurf.com ) 9 points by alexakten 15 hours ago | 6 comments More Consider applying for YC's Fall 2026 batch! Applications are open till July 27. Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact Search: