KSubtile allows moving, stretching, and editing of SRT subtitle files and all other subtitle formats understood by MPlayer. It also provides an easy-to-use interface to MPlayer to easily sync the subtitles to a movie.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.