c:geoc:geo is a free, open-source geocaching app for Android with live maps, offline support, GPX import/export, trackables, and multi-platform geocaching.(0)0
NumismatistHelperNumismatistHelper is a free, open-source desktop app for cataloging coins, banknotes, and coin sets using a MySQL database. Supports image attachments and CSV export.(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
TraintasticTraintastic is a free, open-source model railroad control and automation app for Windows and Linux. Drive locomotives, control signals, monitor sensors, and automate layouts with built-in Lua scripting.(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
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
Conservify FieldKitFieldKit is an affordable, open-source platform for field and environmental sensing featuring a science-grade data logger, mobile app, modular sensors, and a free cloud data portal.(0)0
ESPHomeESPHome turns ESP32, ESP8266, and RP2040 microcontrollers into powerful smart home devices using simple YAML configuration. No coding required, fully local, and integrates with Home Assistant.(0)0
E Evergreen ILSEvergreen ILS is a free, open-source integrated library system for managing library catalogs, circulation, patrons, and consortia.(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
