OpenNumismatOpenNumismat is free, open-source coin collecting software. Catalog your coins, manage wish and selling lists, and view collection statistics on desktop, web, and mobile.(0)0
LichessPlay chess online for free with no ads or registration. Lichess offers AI opponents, tournaments, puzzles, game analysis, and learning tools — fully open source.(0)0
Plant-itPlant-it is a free, open source Android gardening app for logging plant care activities, uploading plant photos, and setting watering reminders. Self-hostable and privacy-first.(0)0
BEEPBEEP is a free, open-source platform helping beekeepers digitally log hive inspections and monitor colony health via automated sensors. Built for hobbyists, professionals, and researchers.(0)0
Timer.CoffeeBrew perfect coffee every time with Timer.Coffee. 40+ expert recipes, step-by-step timers, automatic brew logging, and AI bag label scanning — free on iOS, Android, and web.(0)0
VeetrVeetr is a free, open-source sailing instrument system using ESP32 hardware. Monitor real-time wind speed, direction, GPS, and heel angle on any device via a Progressive Web App. DIY build for ~$250.(0)0
A AvNavAvNav is a free, open-source marine navigation app for Android and Raspberry Pi with a browser-based chart display, GPS tracking, and NMEA integration.(0)0
SMART Conservation ToolsSMART is a free, open-source conservation software platform for collecting, analyzing, and reporting wildlife and protected area data to drive better conservation decisions.(0)0
Train DriverTrain Driver is a free, open-source WiFi throttle app for controlling model railroad layouts using DCC-EX EX-CommandStation. Supports Arduino, ESP32, Bluetooth, and more.(0)0
DJI MapperDJI Mapper is a free, cross-platform tool to plan automatic survey and photogrammetry missions for DJI drones, compatible with DJI Fly and Litchi.(0)0
