TaskJuggler is GPL-licensed (free software) project management software that runs under the Linux and Unix operating systems and is programmed in C++  using the Qt toolkit and KDE libraries. The TaskJuggler Project was started in 2001 by Chris Schläger.
TaskJuggler is a free, open-source project management software that runs on Linux and Unix systems, developed using C++ programming language, with the Qt toolkit and KDE libraries. It was created by Chris Schläger in 2001.