Kazam is a simple screen recording program that will capture the content of your screen and record a video file that can be played by any video player that supports VP8/WebM video format. (GPL)

FreeFileSync is an Open-Source folder comparison and synchronization tool. It is optimized for highest performance and usability without restricted or overloaded UI interfaces. (GPL)

Airtime lets you take total control of your radio station via the web with intelligent archive management, powerful search, an easy playlist builder, a simple scheduling calendar and rock-solid automated playout. (GPL)

openQRM is the next generation, open-source Data-center management platform. Its fully pluggable architecture focuses on automatic, rapid- and appliance-based deployment and on supporting and conforming multiple virtualization technologies. (GPL)

JCombo is an JavaScript + PHP hybrid framework that allows you to easily build powerful, dynamic, data-driven web applications. JCombo doesn't require special skills to use as it combines the best existing technologies into one convenient package. (MIT)

Xnoise is a media player for GTK+ with a slick GUI, great speed and lots of features. Its layout is simple, unobstructed, and efficient. Media is easy to find and arrange, minimizing the time spent searching, and maximizing the time spent listening. (GPL)

Grumblr is a Tumblr micro-blogging platform client for a GTK-freindly desktop environment like GNOME, XFCE, LXDE, etc. With Grumblr you can post text messages, links, quotes, chat logs, upload photos, audio and video files right away from your desktop. (BSD)

Isk-daemon is an open source database server capable of adding content-based (visual) image searching to any image related website or software. (GPL)