PolicyKit is a framework for defining policy for system-wide components and for desktop pieces to configure it. It is used by HAL.

NASPRO, acronym for "NASPRO Architecture for Sound PROcessing" is a collection of free and open source sound processing software built around the LV2 plugin standard.

LUFA (formerly MyUSB), the Lightweight USB Framework for AVRs. This project is an open source, MIT Licensed USB stack for the USB enabled 8-bit AVR microcontrollers. For more information, visit the project home page from the links bar to the right.

Official stable releases are available from http://www.fourwalledcubicle.com/LUFA.php - the SVN repository here is a synced mirror of the LUFA development repository used by the author and is thus highly unstable and should be used for preview purposes only....

Monkey Studio (MkS) is a cross platform IDE written in C++/Qt 4.
It's primary goal was to be a Qt 4 only IDE, but it evoluate a way to support Qt development and any kind of project.
See the About page or Features page for more informations.
Finally, you can meet team's members here....

C library for dynamic array storage. The library provides an API to create and use auto-resizing dynamic arrays for arbitrary data. Data may be stored and retrieved by reference only. An extension for storage and retrieval by copy is planned. Requires C99, no dependencies, platform independent. BSD style license....

mcwm is a minimalist floating window manager for the X Window System written directly on top of the X protocol C-language Binding, XCB.

Note: There is another project mentioned on ohloh also named mcwm. It is not the same.

TTBlue is an object-oriented, reflective, application programming interface for C++, with an emphasis on real-time signal processing. It makes use of polymorphic typing, dynamic binding, and introspection to create a cross-platform environment pulling ideas from languages such as Objective-C while remaining within a standard C++ context. ...

vitunes is a curses-based music player and playlist manager for *nix whose goals are: 1. a minimalistic appearance, 2. strong vi-like bindings, and 3. quick playlist creation/management. vitunes does not strive to be a feature-rich media player, but rather a quick, vi-like media indexer and playlist manager, that just happens to be able to play the music it indexes....

Synopsis is a multi-language source code introspection tool that provides a variety of representations for the parsed code to enable further processing such as documentation extraction, reverse engineering, and source-to-source translation.

Synopsis provides a framework of C++ and Python APIs to access these representations and allows Processor objects to be defined and composed into processing pipelines, making this framework very flexible and extensible....

This is a VNC viewer with a GGI backend. It is a fast and flexible VNC client. ggivnc was initially created to test various aspects of the VNC target in GGI, but it has matured into a full-blown client.