Show HN: NYC Subway Simulator and Route Designer

https://buildmytransit.nyc

140•HeavenFox•13h ago•16 comments

Show HN: Ossia score – A sequencer for audio-visual artists

https://github.com/ossia/score

76•jcelerier•10h ago•12 comments

Show HN: Unlearning Comparator, a visual tool to compare machine unlearning

https://gnueaj.github.io/Machine-Unlearning-Comparator/

38•jaeunglee•11h ago•2 comments

Show HN: From Photos to Positions: Prototyping VLM-Based Indoor Maps

https://arjo129.github.io/blog/5-7-2025-From-Photos-To-Positions-Prototyping.html

38•accurrent•2d ago•1 comments

Show HN: Piano Trainer – Learn piano scales, chords and more using MIDI

https://github.com/ZaneH/piano-trainer

183•FinalDestiny•3d ago•56 comments

Show HN: I Got Tired of Calculator Sites, So I Built My Own

34•calculatehow•11h ago•30 comments

Show HN: I wrote a "web OS" based on the Apple Lisa's UI, with 1-bit graphics

https://alpha.lisagui.com/

492•ayaros•1d ago•137 comments

Show HN: Modernized file manager and program manager from Windows 3.x

https://github.com/brianluft/heirloom

64•electroly•1d ago•13 comments

Show HN: An Apple-like computer with a built-in BASIC interpreter in my game

https://reprobate.site?stage=pearintosh

4•delduca•8h ago•0 comments

Show HN: Integrated System for Enhancing VIC Output

https://github.com/Bloodmosher/ISEVIC

10•bloodmosher•13h ago•2 comments

Show HN: A Language Server Implementation for SystemD Unit Files

https://github.com/JFryy/systemd-lsp

72•arandomhuman•1d ago•21 comments

Show HN: Life_link, an app to send emergency alerts from anywhere

4•ahmedfromtunis•7h ago•0 comments

Show HN: A simpler geofence reminder UI

https://apps.apple.com/us/app/remind-there/id6747366518

5•nidegen•12h ago•0 comments

Show HN: I made a CLI tool to batch convert handwritten notes to Markdown

https://github.com/tejas-raskar/noted.md

4•quitedev•10h ago•2 comments

Show HN: Doc81 – tech documentation tool designed in AI-native mind

https://github.com/ahnopologetic/doc81

6•stahn1995•11h ago•0 comments

Show HN: Interactive pinout for the Raspberry Pi Pico 2

https://pico2.pinout.xyz

4•gadgetoid•12h ago•0 comments

Show HN: Vibechat – A chatroom for people bored waiting for Claude

https://github.com/antimatter15/vibechat

8•antimatter15•12h ago•0 comments

Show HN: Yoink AI – macOS AI app that writes everywhere (docs, browser, etc.)

https://www.useyoink.ai/

4•byintes•13h ago•1 comments

Show HN: Pixel Art Generator Using Genetic Algorithm

https://github.com/Yutarop/ga-pixel-art

22•ponta17•1d ago•12 comments

Show HN: a community for collaborating on sideprojects

https://relentlessly.no/

43•0dKD•5d ago•25 comments

Show HN: Simple wrapper for Chrome's built-in local LLM (Gemini Nano)

https://github.com/kstonekuan/simple-chromium-ai

32•kstonekuan•1d ago•3 comments

Show HN: I made Logic gates using CSS if() function

https://yongsk0066.github.io/css_if_logic_gate/

80•yongsk0066•5d ago•20 comments

Show HN: A recursive DNS resolver written in Erlang

https://github.com/theotrama/dns-resolver

2•theotrama•16h ago•0 comments

Show HN: AirBending – Hand gesture based macOS app MIDI controller

https://www.nanassound.com/products/software/airbending

91•bepitulaz•3d ago•24 comments

Show HN: GraphFlow – A lightweight Rust framework for multi-agent orchestration

https://github.com/a-agmon/rs-graph-llm

10•alonagmon•1d ago•2 comments

Show HN: A browser extension that removes the algorithmic X 'For you' evil tab

https://github.com/alterebro/bye-for-you

3•alterebro•17h ago•2 comments

Show HN: BunkerWeb – the open-source and cloud-native WAF

https://docs.bunkerweb.io/latest/

103•bnkty•3d ago•31 comments

Show HN: Exploring emotional self-awareness via action-based journaling and AI

3•vandana231990•18h ago•0 comments

Show HN: I AI-coded a tower defense game and documented the whole process

https://github.com/maciej-trebacz/tower-of-time-game

311•M4v3R•3d ago•150 comments

Show HN: ParsePoint – AI OCR that pipes any invoice straight into Excel

https://parsepoint.app

8•marcinczubala•1d ago•1 comments