The official firmware for Meshtastic, an open-source, off-grid mesh communication system.
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Updated
Mar 22, 2026 - C++
The official firmware for Meshtastic, an open-source, off-grid mesh communication system.
Let's upgrade cheap off-the-shelf robotic mowers to modern, smart RTK GPS based lawn mowing robots!
A GPS bicycle speedometer that supports offline maps and track recording
Grab cam shots & GPS location from target's phone front camera or PC webcam just sending a link.
Open Location Code is a library to generate short codes, called "plus codes", that can be used as digital addresses where street addresses don't exist.
wanderer is a self-hosted trail database. Save your adventures!
An Android app that uses your phone's sensors to assist with wilderness treks or survival situations.
GNSS-SDR, an open-source software-defined GNSS receiver
Wifi & BLE driven passenger flow metering with cheap ESP32 boards
Android OBD diagnostics with any ELM327 adapter
Simple Yet Powerful Geo Library for PHP
.NET Framework for Backgrounding & Device Hardware Services (iOS, Android, & Catalyst)
Location, motion, and activity recording framework for iOS
Open-source GNSS + inertial navigation, sensor fusion simulator. Motion trajectory generator, sensor models, and navigation
Repository moved to: https://codeberg.org/OpenTracksApp/OpenTracks
A concise ChartPlotter/Navigator. A cross-platform ship-borne GUI application supporting * GPS/GPDS Postition Input * BSB Raster Chart Display * S57 Vector ENChart Display * AIS Input Decoding * Waypoint Autopilot Navigation
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