Aegisub is an advanced subtitle editor for Windows, and UNIX-like systems, such as Linux, Mac OS X and BSD. It is open source software and free for any use.Discontinued
The project is no longer developed. Last version, 3.2.2, released in December 2014, can still be downloaded from the official site and GitHub.
A text-based subtitles editor that supports basic operations as well as more advanced ones, aiming to become an improved version of Subtitle Workshop for every platform supported by KDE.
Gaupol is an editor for text-based subtitle files. It helps you with tasks such as creating and translating subtitles, timing subtitles to match video and correcting common errors. Gaupol includes a built-in video player and also supports launching an external one.
Preparing subtitles and captions for video used to be a long and cumbersome process, but with titlebee the task has been made simpler and quicker by letting the subtitler focus on adding subtitles visually onto a timeline.
Amara (formerly Universal Subtitles or unisubs) gives individuals, communities, and larger organizations the power to overcome accessibility and language barriers for online video. The tools are free and open source and make the work of subtitling and translating video simpler...