Gaupol - Get Stuff Done.
Subtitle Editor - Subtitle Editor is a GTK+3 tool to edit subtitles for GNU/Linux/*BSD.
Time Adjuster - It's Windows application that can: Make your subtitles to appear earlier or later. Convert your subtitle files into other formats. SYNCHRONIZE text with video VERY EASY ! Join & split subtitle files.
Gnome Subtitles - Gnome Subtitles is a subtitle editor for the GNOME desktop. It supports the most common
Subtitle Composer - A text-based subtitles editor that supports basic operations as well as more advanced ones, aiming...
Jubler - Jubler is a tool to edit text-based subtitles.