1. MultivncMultiVNC is a cross-platform Multicast-enabled VNC viewer using wxWidgets and libvncclient . It runs on Unix, Mac OS X and Windows. Features include support for most encodings, ZeroConf service discovery and a seamless edge control mode á la x2vnc. There also is a mobile (Android) version with a different feature set available.
2. LibslidemenuA sliding menu for Android, as found in the Google+ or Facebook apps.
3. Gromit MpxGromit-MPX is an on-screen annotation tool that works with any Unix desktop environment under X11 as well as Wayland.
5. droidVNC-NGVNC server app for Android that does not require root privileges.