You can rename files using patterns, search and replace, substitutions, insert or delete text, or even rename files manually. You can also rename images using their EXIF tags and music using their internal tags.

There are many chat apps that support OTR encryption for verifying messages. Many use multiple chat apps, including one for desktop and another for mobile, or one for Mac OS X and another for GNU/Linux or Windows. The trust relationships are only stored locally in the app in a format that is specific to that app. Switching between all of them means that you have to manage your trust relationships for each app that you use.

Between is a pixelated art game for two players by Jason Rohrer.

Which Way Is Up, a traditional and challenging 2D platform game with a slight rotational twist. Help a mysterious big-eared salaryman named Guy find his keys in a labyrinth of dangers and bad dialogue.

In this simulation, you play the part of robot. Your task is to complete the simulation by finding kitten, as is your destiny, and indeed your wont. You (robot) are represented by the # character, and you move around with the arrow keys touching things. If the thing you touch is kitten, you get a cute little animation (which was cuter in the DOS version) and the simulation ends. Otherwise, you get a brief description of what it is you touched.

LostIRC is a simple, yet very useful IRC-client. It has features such as tab-autocompletion, multiple server support, automatic joining of servers/channels and DCC sending which should cover the needs of most people. The client is 100% keyboard-controllable, and uses the gtkmm GUI library.