After being in beta for almost a year, Lightworks, a professional video editing and mastering software, has reached version 11.5 stable, this being the first Lightworks release for Linux. The new version is of course also available for Windows.
QGifer is a Qt tool available for Linux and Windows, that can convert part of a video to an animated GIF file.
Conky Manager is a GUI that allows you to easily manage Conky configurations. The latest version - 1.1 -, lets you choose from 7 such configurations / themes.