Synergy lets you easily share a single mouse and keyboard between multiple computers with different operating systems, each with its own display, without special hardware. It's intended for users with multiple computers on their desk since each system uses its own monitor(s).
Editra is a multi-platform text editor with an implementation that focuses on creating an easy to use interface and features that aid in code development. Currently it supports syntax highlighting and variety of other useful features for over 60 programming languages.
Editra is freely available under the terms of the wxWindows Licence.
Currently the project is in the alpha development phase but test builds of "stable" points are available for download and trial as Windows and Mac OSX(Universal) binaries, currently other Unix and Linux based systems will have to install from source using the included setup script. Please feel free give it a try and to report bugs and request features.