NATS messaging enables the exchange of data that is segmented into messages among computer applications and services. These messages are addressed by subjects and do not depend on network location. This provides an abstraction layer between the application or service and the underlying physical network. Data is encoded and framed as a message and sent by a publisher. The message is received, decoded, and processed by one or more subscribers.

libolecf is a library to access the OLE 2 Compound File (OLECF) format.

Implementing the client side of the ONVIF specification for communicating with IP enabled compatible cameras.

The Mobile Robot Programming Toolkit (MRPT) is an extensive, cross-platform, and open source C++ library aimed to help robotics researchers to design and implement algorithms in the fields of Simultaneous Localization and Mapping (SLAM), computer vision, and motion planning (obstacle avoidance).

Lucene++ is an up to date C++ port of the popular Java Lucene library, a high-performance, full-featured text search engine.

Mapnik is an OpenSource C++ toolkit for developing GIS (Geographic Information Systems) applications. At the core is a C++ shared library providing algorithms/patterns for spatial data access and visualization.