An excellent app to edit subtitles
Free application for creating subtitle-based files and extensions
Edit and synchronize subtitles for your movies
iToolSoft Movie Subtitle Editor is software which can be used to edit movie subtitles and make the subtitles into the film.
Edit, repair and translate video subtitles
Edit subtitle files (*.srt).
Using kSubs-Creator one can create or edit existing subtitle files of type .SRT.