Bogofilter is a Bayesian spam filter. In its normal mode of operation, it takes an email message or other text on standard input, does a statistical check against lists of "good" and "bad" words, and returns a status code indicating whether or not the message is spam. Bogofilter is designed with fast algorithms (including Berkeley DB system), coded directly in C, and tuned for speed, so it can be used for production by sites that process a lot of mail....

Crystal Entity Layer is a layer that sits on top of Crystal Space 3D Engine. It provides the notion of entities and property classes. As such it will make it easier to make games using Crystal Space.

An advanced and multi-platform BitTorrent client with a nice Qt4 user interface as well as a Web UI for remote control and an integrated search engine. qBittorrent aims to meet the needs of most users while using as little CPU and memory as possible.

A framework for building a complete virtual world.,

MaNGOS is an object-oriented Massively Multiplayer Online Role-Playing Game Server (MMORPGS). It's an educational project, to help developers get familar with large scale C++ development projects.

gnokii is a multisystem tool suite for the mobile phones, released under GPL.,

ROS (Robot Operating System) provides libraries and tools to help software developers create robot applications. It provides hardware abstraction, device drivers, libraries, visualizers, message-passing, package management, and more.

This is just the core part of the ros platform, common tools and stacks can be found in this project:...

The ACE ORB (TAO) is a freely available, open-source, and standards-compliant real-time C++ implementation of CORBA based upon the Adaptive Communication Environment (ACE). It attempts to provide efficient, predictable, and scalable quality of service (QoS) end-to-end. TAO is for developers of distributed and embedded applications who have stringent performance demands....

Binary image labeling library for OpenCV.

Blob orientation, centroid, contours,... Blobs parameters render. Basic blob tracking. Interface similar to OpenCV.

QTParted is a Partition Magic clone. It uses libparted for raw disk access, so you need parted installed to use it. The goal of QTParted is to fully wrap all function of parted and create a user friendly PM clone for Linux.