wmphoto+ displays the images in the dockable application window. You can switch the images manually or display them as a slide show. Each image accepts up to two related commands. You can run them using mouse buttons when the application displays the image. Using the alternative configuration directories, you can run a few instances of the program that display the different sets of images.
exude is a simple to use memory debugger. It enhances standard memory allocation calls with simple replacements that add just a little more functionality, such as keeping track of whether memory was previously allocated, and prevents common errors such as double frees, memory leaks, and so on.
GNU GLOBAL source code tag system is a source code tagging system which works the same way across diverse environments (Emacs, vi, less, bash, Web browser, etc.). It can locate objects in source files and move there easily. It is useful for hacking a large project containing many subdirectories, many #ifdefs, and many main() functions. It is similar to ctags or etags, but is independent of any editor.
email2trac is a utility that converts email messages to Trac tickets. It features HTML message conversion, attachments, updating of tickets via email, command line options, a configuration file, Unicode support, spam detection, workflow support, and support for FullBlogPlugin and DiscussionPlugin.
Qataki is a shell script that you can use to read/post notices from the command line in a simple manner. It supports Identi.ca, Twitter, and StatusNet. You can post, reply, retweet, or send direct messages; read personal, public, and user and group timelines (last statuses); read messages directed to you (i.e. where you are mentioned); read messages in context (conversations available only for Identi.ca/StatusNet); and search for notices.