Gled is a C++ framework for rapid development of applications with support for GUI, 3D-graphics and distributed computing. It extends the ROOT framework (standard data-analysis tool in high-energy physics) with mechanisms for object collection management & serialization, multi-threaded execution, GUI auto-generation (object browser & editor) and dynamic visualization (OpenGL)....

Monolingual removes unwanted language resources from Mac OS X. It includes a graphical front end for an included Perl script which removes the desired .lproj (localization) resources.

An Object-Oriented Platform for Arduino Programming.,

The Re·Mote Testbed Framework is a collection of modules for providing remote access to wireless sensor network testbeds with a main focus on modularity, abstraction levels, and responsiveness. The components of the framework fall into three categories: Client software, server software and host/gateway software. The client is a Java based GUI featuring mote console windows useful for debugging applications. The server software consists of a mote server daemon written in C++, a relational database based on MySQL, and a mote information server based on Apache Tomcat. The host software is a mote host daemon written in C++ with site specific configuration in shell scripts....

The ProteoWizard Library is a set of software libraries and tools for rapid development of proteomics data analysis software.

The libraries are cross-platform and built from the ground up using modern C++ techniques.

Lightweight windowmanager for X11,

pktools is a collection of programs written in C++ to perform operations, mostly on raster images. It heavily relies on the Geospatial Data Abstraction Library (GDAL, http://www.gdal.org) and OGR. Programs currently run on Linux only with a command line interface....

Inno Setup is a tool to create installers for Microsoft Windows applications. innoextract allows to extract such installers under non-windows systems without running the actual installer using wine.

RSS/Atom feed reader,

Arabica is an XML and HTML processing toolkit written in C++ which provides SAX, DOM, XPath, and XSLT implementations.

BSD-style license - http://www.jezuk.co.uk/cgi-bin/view/arabica/license