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: FeyNoBg – Automatic background removal model and training library ( usefeyn.com ) 73 points by snyy 5 hours ago | 21 comments 2. Show HN: Let's Seal – Let's Encrypt for document signing, free and self-hosted ( github.com/letsseal ) 52 points by nsokin 6 hours ago | 25 comments 3. Show HN: Full complex text shaping and rendering on ESP32 with 320KB usable RAM ( github.com/waruyama ) 3 points by jansan 2 hours ago | 1 comment 4. Show HN: Physically accurate black hole you can put in your room ( blackhole.plav.in ) 463 points by aplavin 22 hours ago | 178 comments 5. Show HN: Artifacted – private URLs for the small tools your AI builds ( artifacted.cloud ) 2 points by iamavalex 2 hours ago | 2 comments 6. Show HN: multiaes – hardware-accelerated, constant-time AES, two-file drop-in ( github.com/ttarvis ) 6 points by lemaudit 7 hours ago | 2 comments 7. Show HN: A 538-style dashboard for upcoming Knesset elections ( theelectiondashboard.com ) 2 points by AzariaK 3 hours ago | discuss 8. Show HN: Infrawrench – A tool to manage cloud and svcs with workflows and chat ( infrawrench.com ) 17 points by astrid__ 5 hours ago | discuss 9. Show HN: Choreo – an animation DSL that verifies its own rendered output ( github.com/jiegouai ) 2 points by smperng 4 hours ago | discuss 10. Show HN: Watch 14-Byte AI "brains" attempt to solve a 2D maze (Its hard) ( con-dog.github.io ) 22 points by purple-leafy 15 hours ago | 7 comments 11. Show HN: Running PrismML's Bonsai inside DRAM by breaking DDR4 timing rules 21 points by pcdeni 6 hours ago | 6 comments 12. Show HN: Darkslide – A keyboard-centric photo editor 2 points by roman-volkov 5 hours ago | 1 comment 13. Show HN: BixRouter – a non-linear AI chat interface for OpenRouter ( bix.computer ) 2 points by two-sandwich 5 hours ago | discuss 14. Show HN: I mapped every US golf course ( golfcoursebrowser.com ) 215 points by rickmf 1 day ago | 164 comments 15. Show HN: Reverse Minesweeper ( sunflowersgame.com ) 248 points by pompomsheep 1 day ago | 86 comments 16. Show HN: CheapSecurity – Lightweight, Self-Hosted CCTV for Linux SBCs ( github.com/gmrandazzo ) 135 points by zeldone 1 day ago | 34 comments 17. Show HN: Pure-PHP server outperforms NginX for static files + 10x PHP throughput ( github.com/qbix ) 4 points by EGreg 6 hours ago | discuss 18. Show HN: Foglio – macOS Markdown editor: live preview, MIT, 5MB, no vault ( github.com/fran-mora ) 4 points by fran-mora 6 hours ago | 1 comment 19. Show HN: Watch random code typed out on an MS-DOS IDE ( specr.net ) 14 points by vunderba 18 hours ago | 6 comments 20. Show HN: 1,250 SwiftUI components, and an MCP that writes them into your app ( nibware.dev ) 6 points by leonickson 7 hours ago | 4 comments 21. Show HN: Taetype-WASM – Pure Rust, browser-only font engine in WebAssembly ( github.com/silly-tae ) 2 points by silly-tae 7 hours ago | discuss 22. Show HN: Descript wanted $24/mo, I built an open-source alternative in a weekend ( github.com/wassgha ) 36 points by wassimgr 15 hours ago | 31 comments 23. Show HN: Dozenal – A Game of Spatial Arithmetic ( dozenal.game ) 13 points by sarreph 11 hours ago | 8 comments 24. Show HN: Pilot Protocol – a network where AI agents find tools and each other 6 points by teocalin37 7 hours ago | 8 comments 25. Show HN: Ctxdiff – Git diff for your LLM agent's context window ( github.com/salmanzafar949 ) 3 points by salmanzafar949 8 hours ago | 3 comments 26. Show HN: Tilde Pay – Give your AI agent a bank account to pay for things ( tildepay.ai ) 3 points by solsol94 8 hours ago | 6 comments 27. Show HN: Sekey.sh – Manage SSH Keys in Apple Secure Enclave ( github.com/cavoirom ) 2 points by cavoirom 8 hours ago | discuss 28. Show HN: Echo – Fable-level results at 1/3 the cost using open-weight models 480 points by adam_rida 4 days ago | 223 comments 29. Show HN: Case study: A coding agent refactors a 750k LOC app, no code review 5 points by bonjourjoel 9 hours ago | discuss 30. Show HN: Paper – A Journaling CLI for Developers ( rewrlution.com ) 9 points by dmsehuang 23 hours ago | 14 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: