Cross platform (lin/win/mac) geographical information system (GIS)
Ultra Fast Geospatial Database & Geofencing Server
Transform your favorite cities into beautiful, minimalist designs
Traccar GPS Tracking System
In-depth attack surface mapping and asset discovery
GeoServer repository
Mybatis common mapper, easy to use
Minimalist POI Map Tracker and Trip Planner
Elasticsearch client library for Node.js
Interactive, thoroughly customizable maps in the browser
Open Source Routing Machine - C++ backend
Mergo: merging Go structs and maps since 2013
The bidirectional mapping library for Python
Simple GPS tracking server
Toolkit for working with and mapping geospatial data
Viking is a free/open source program to manage GPS data
Build your own GPS unit
GWC is a tile server and caching proxy written in Java
My OSM projects in bus routings and 30 Districts reallocated
An information system for cyclists in Berlin and Brandenburg
Visualize deep ocean biogeochemical sediment samples in 2D and 3D!
Transport coordinate between earth(WGS-84) and mars in china(GCJ-02)