Propel2 is an open-source high-performance Object-Relational Mapping (ORM) for PHP >= 5.4
OpenDroneMap is a tool to postprocess small Unmanned Aerial Vehicle (sUAS), balloon, kite, and street view data to geographic data.
Efficient, Pythonic bidirectional map implementation and related functionality.
Domain Oriented Database Mapping Framework for Java 8
A mapping layer for the OData gem that integrates with ActiveModel.
Mapnik is an open source toolkit for developing mapping applications