Hibernate's core object/relational mapping functionality
Mybatis common mapper, easy to use
The bidirectional mapping library for Python
Elasticsearch client library for Node.js
Mergo: merging Go structs and maps since 2013
Build your own GPS unit
GPS track editor for editing tracks and planning (multiple) day tours
Visualize deep ocean biogeochemical sediment samples in 2D and 3D!
Toolkit for working with and mapping geospatial data
Viking is a free/open source program to manage GPS data
An information system for cyclists in Berlin and Brandenburg
Open source system for GPS tracking devices
Minimalistic wide-open GPS-locator/tracker
NMEA 0183 library for Java
A GUI for the freeware Geographical Information System PCRaster
Analysis and display of Census, business, government attribute data
A library to generate short codes
CAD 2D for Land Surveying and Civil
CFFI glue code to use Proj.4 library in Lisp
Batch convert Lat/Long to UTM for Zone 19
Distributed Version Control System for Geospatial data
Multiplatform Ham Radio APRS and Mapping Program