Gnome Subtitles is a subtitle editor for the GNOME desktop. It supports the most common text-based subtitle formats, video previewing, timings synchronization and subtitle translation.
Cainteoir Text-to-Speech is a GNOME/GTK+ GUI for the Cainteoir Text-to-Speech Engine. It allows you to listen to your documents or record them for use on the move using any of the eSpeak or MBROLA text-to-speech voices.