Google2Ubuntu is a tool that lets you control your computer using voice commands via the Google speech recognition API.
Java Swing Ayatana is a project that brings Ubuntu global menu (AppMenu) and HUD support for Java Swing applications.
JAyatana version 2 was released recently, getting support for Ubuntu 13.10 along with a PPA for easy installation. Even though there are no packages for Ubuntu 14.04 yet, Java Ayatana also works with the latest Ubuntu Trusty Tahr.
LibreOffice 4.2, the recently released major update to the default Ubuntu office suite, is now available in its main official PPA, for Ubuntu 13.10 and 12.04. Below you'll find instructions on how to upgrade to this new version using the PPA.
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.