Show HN: I made a JSFiddle-style playground to test and share prompts fast (langfa.st)

10 points by eugenegusarov 7h ago 2 comments

Show HN: DesignArena – crowdsourced benchmark for AI-generated UI/UX (designarena.ai)

62 points by grace77 10h ago 18 comments

Show HN: BinaryRPC – Lightweight WebSocket-based RPC framework in modern C++ (github.com)

67 points by efecan0 8h ago 31 comments

Show HN: Pyhoff – Connect Python ML Models to Beckhoff/WAGO IO Hardware (github.com)

10 points by Saloc 3d ago 4 comments

Show HN: An educational Local Qwen3 LLM Inference project written in Rust (github.com)

8 points by eiskalt 6h ago 1 comments

Show HN: Vibe Kanban – Kanban board to manage your AI coding agents (github.com)

177 points by louiskw 1d ago 116 comments

Show HN: I built a toy music controller for my 5yo with a coding agent (github.com)

34 points by JeffMcCune 4d ago 16 comments

Show HN: I Built a Stick-On Wireless Lamp That Installs in 30 Seconds (shopinfinitylamp.store)

2 points by kingvyn 4h ago 2 comments

Show HN: RULER – Easily apply RL to any agent (openpipe.ai)

73 points by kcorbitt 1d ago 11 comments

Show HN: Pangolin – Open source alternative to Cloudflare Tunnels (github.com)

484 points by miloschwartz 2d ago 118 comments

Show HN: Microsoft official MCP for documentation and more (github.com)

8 points by ztq121121 16h ago 2 comments

Show HN: Train Block Diffusion Models on Consumer Hardware (RTX 4090) in Hours (github.com)

4 points by lappa 8h ago 0 comments

Show HN: I automated code security to help vibe coders from getting busted (elara-app.ai)

2 points by alessandro-a 8h ago 0 comments

Show HN: OffChess – Offline chess puzzles app (offchess.com)

366 points by avadhesh18 4d ago 165 comments

Show HN: Cactus – Ollama for Smartphones (github.com)

218 points by HenryNdubuaku 2d ago 81 comments

Show HN: Interactive pinout for the Raspberry Pi Pico 2 (pico2.pinout.xyz)

144 points by gadgetoid 5d ago 31 comments

Show HN: CXXStateTree – A modern C++ library for hierarchical state machines (github.com)

48 points by zigrazor 5d ago 36 comments

Show HN: Open source alternative to Perplexity Comet (browseros.com)

283 points by felarof 2d ago 117 comments

Show HN: FlopperZiro – A DIY open-source Flipper Zero clone (github.com)

357 points by iraton 3d ago 73 comments

Show HN: MCP server for searching and downloading documents from Anna's Archive (github.com)

252 points by iosifache 3d ago 78 comments

Show HN: Reviving a 20 year old OS X App (andrewshaw.nl)

3 points by shawa_a_a 15h ago 0 comments

Show HN: I built a playground to showcase what Flux Kontext is good at (fluxkontextlab.com)

70 points by Zephyrion 3d ago 17 comments

Show HN: Typeform was too expensive so I built my own forms (ikiform.com)

183 points by preetsuthar17 2d ago 93 comments

Show HN: BreakerMachines – Modern Circuit Breaker for Rails with Async Support (github.com)

44 points by seuros 6d ago 19 comments

Show HN: uBlock-Mv3 – Port of Full Manifest V2 uBlock Origin to Manifest V3 (github.com)

17 points by r58playz 8h ago 0 comments

Show HN: asyncmcp – Run MCP over async transport via AWS SNS+SQS (github.com)

31 points by bharatgel 2d ago 4 comments

Show HN: NYC Subway Simulator and Route Designer (buildmytransit.nyc)

199 points by HeavenFox 5d ago 32 comments

Show HN: Petrichor – a free, open-source, offline music player for macOS (github.com)

199 points by kushalpandya 3d ago 105 comments

Show HN: Manage your small business with this simple ERP (github.com)

3 points by azaz12 9h ago 1 comments

Show HN: Transition – AI Triathlon Coach (transition.fun)

3 points by awormuth 22h ago 0 comments

Show HN: VibeKin – Gated Discord Tribes via Personality Matching (tgc.fly.dev)

3 points by madebywelch 23h ago 0 comments

Show HN: I wrote a "web OS" based on the Apple Lisa's UI, with 1-bit graphics (alpha.lisagui.com)

513 points by ayaros 6d ago 141 comments

Show HN: Director – Local first, open source MCP Gateway

12 points by bwm 1d ago 5 comments

Show HN: Jukebox – Free, Open Source Group Playlist with Fair Queueing (jukeboxhq.com)

121 points by skeptrune 4d ago 43 comments

Show HN: TCP Socket in RISC-V Assembly (RV64I) (github.com)

3 points by triilman 1d ago 0 comments

Show HN: A rain Pomodoro with brown noise, ASMR, and Middle Eastern music (forgetoolz.com)

101 points by ShadowUnknown 4d ago 51 comments

Show HN: I rewrote an outdated React Native map clustering library (github.com)

31 points by hadat 3d ago 7 comments

Show HN: Ten years of running every day, visualized (nodaysoff.run)

32 points by friggeri 2d ago 11 comments

Show HN: Modernized file manager and program manager from Windows 3.x (github.com)

74 points by electroly 6d ago 17 comments

Show HN: From Photos to Positions: Prototyping VLM-Based Indoor Maps (arjo129.github.io)

55 points by accurrent 7d ago 2 comments

Show HN: Virby, a vfkit-based Linux builder for Nix-Darwin (github.com)

20 points by qeden 6d ago 1 comments

Show HN: Cursor Rules Generator (cursor-rules-generator.xyz)

4 points by prasadpilla 2d ago 0 comments

Show HN: An Improvisational Web Server (github.com)

4 points by jasonthorsness 1d ago 1 comments

Show HN: Helices Create a New Model of Deterministic Computation [pdf] (lambdalord.github.io)

2 points by bkaminsky 1d ago 1 comments

Show HN: I made a game which forces me to workout (do a chin-up, save a cat) (old.reddit.com)

2 points by getToTheChopin 14h ago 0 comments

Show HN: Ossia score – A sequencer for audio-visual artists (github.com)

95 points by jcelerier 5d ago 16 comments

Show HN: Piano Trainer – Learn piano scales, chords and more using MIDI (github.com)

201 points by FinalDestiny 8d ago 58 comments

Show HN: Multiple barcodes can be generated on single page (ddddddo.github.io)

2 points by ddddddO 1d ago 0 comments

Show HN: NodeLoop – Hub for electronics design knowledge and tools (nodeloop.org)

5 points by eezZ 1d ago 0 comments

Show HN: Unlearning Comparator, a visual tool to compare machine unlearning (gnueaj.github.io)

40 points by jaeunglee 5d ago 2 comments

Study Suggests Limited Efficacy of Phishing Training in Practice

3 _tk_ 0 7/12/2025, 2:09:14 PM computer.org ↗

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