omron++ is a pixel AI game with up to four armies of pixels fighting each other. Depending on their allegiance, vision range, and 'mob size', they will form groups of pixels (called mobs) and go hunting together.
MultiVNC is a cross-platform, Multicast-enabled VNC viewer. Features include support for most encodings, ZeroConf service discovery, a seamless edge control mode á la x2vnc, and most prominently, experimental support for VNC via multicast.
Gromit-MPX is a multi-pointer GTK3 port of the original Gromit desktop annotation tool. It enables graphical annotations with several pointers at once and is a lot faster than its predecessor since it uses the XCOMPOSITE extension where available.