Pybik is an interactive, graphical, single player puzzle about the cube invented by Ernő Rubik. Besides the cube, the program can handle towers and bricks (non-cubic puzzles). Pybik also has solvers, pretty patterns, and a collection of various moves. The cube can be manipulated with the mouse or keyboard. You can change the colors or images on the faces of the cube.
PAFCalc (Planted Aquarium Fertilizers Calculator) for Android is a useful utility that helps in calculations related to DIY fertilizers for planted aquariums. It has been completely written with the Android developer studio, which should ensure portability to tablets and smartphones. The app doesn't access any external functions on your device.
Gespeaker is a GTK+ frontend for espeak. It allows you to play a text in many languages with settings for voice, pitch, volume, and speed. The text can also be recorded to a WAV file for future listening. Gespeaker supports the speech synthesizer MBROLA for a better speech experience.
RedKite CMS is a Content Management System built on top of Symfony2 and Twitter-Bootstrap frameworks. It lets you manage the content of your website inline, using an interface designed to increase the quality of the user experience. You are not required to have technical skills related to Web programming to build a website using this CMS.