eRepublik - eRepublik is a Free to play, Browser-based and Massively Multiplayer Online video game created and published by eRepublik Labs.
Fritzing - Fritzing is an open-source initiative to support designers, artists, researchers and hobbyists to...
eDominations - multiplayer strategy game
LibrePCB - LibrePCB is a free EDA software to develop printed circuit boards.
eRevollution - Massive online multiplayer strategy browser based game.
QUCS - Qucs, briefly for Quite Universal Circuit Simulator, is an integrated circuit simulator which means you are able to setup a circuit with a graphical user interface (GUI) and simulate the large-signal, small-signal and noise behaviour of the circuit.