The official firmware for Meshtastic, an open-source, off-grid mesh communication system.

Traccar GPS Tracking 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.

📡 Lightweight GPS Logging Application For Android.

我的导航算法学习笔记，内容涵盖导航定位开源程序的源码解读、开源项目梳理、书籍讲义、博客翻译、教程讲座推荐；所有内容都可以随意转载，原始文件都放在这里了，大家可以在我的基础上整理出自己的一些文档。（Tips：①主要是写给初学者，已经有基础的同学应该多看论文和代码，看我的笔记学不到啥；②仓库持续更新中，不建议 fork）

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

Android application for Meshtastic

Simple Yet Powerful Geo Library for PHP

.NET Framework for Backgrounding & Device Hardware Services (iOS, MacCatalyst, Android, & Windows)

Location, motion, and activity recording framework for iOS

Open-source GNSS + inertial navigation, sensor fusion simulator. Motion trajectory generator, sensor models, and navigation

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

Repository moved to: https://codeberg.org/OpenTracksApp/OpenTracks