Gespeaker is a GTK+ frontend for espeak. It allows you to play a text in many languages with settings for voice, pitch, volume, and speed. The text can also be recorded to a WAV file for future listening. Gespeaker supports the speech synthesizer MBROLA for a better speech experience.
Gaupol is an editor for text-based subtitle files. It supports multiple subtitle file formats and provides means of creating subtitles, editing text, and timing subtitles to match video. The user interface is designed with attention to batch processing of multiple documents and convenience of translating.
Window Switch is a tool that allows you to move applications between networked computers. The windows appear where you need them, as they were. You no longer need to save and send documents to move them around; simply move the view of the application to the machine where you need it.