The following table compares some characteristics of notable subtitle editing software.
| Name | License | Platform | Multilanguage | Audio waveform | Formats supported | Extra Information |
|---|---|---|---|---|---|---|
| Aegisub | GPL (but code is ISC or BSD3c) | Cross platform | Yes | Yes | SSA/ASS, MicroDVD, .srt (full support) AdobeEncore, EBU STL (write only) JACOsub (read only) [1] | Limited support for RTL languages. It's mainly used for creating ASS subtitles. Uses libass, making the ASS effects appear correctly in the internal media player. |
| Amara | Proprietary, formerly GNU AGPL | Web-based | Yes | ? | SRT, SSA, SBV, VTT, DFXP, ITT, SCC and CAP formats. [2] | Cloud platform with subtitle editor and workflow tools for collaborative captioning and subtitling, including making corrections to machine-generated captions. Add-ons include automatic speech recognition. |
| Gnome Subtitles | GPL | Linux | Yes | Adobe Encore DVD, Advanced Sub Station Alpha, AQ Title, DKS Subtitle Format, FAB Subtitler, Karaoke Lyrics LRC, Karaoke Lyrics VKT, MacSUB, MicroDVD, MPlayer, MPlayer 2, MPSub, Panimator, Phoenix Japanimation Society, Power DivX, Sofni, SubCreator 1.x, SubRip, Sub Station Alpha, SubViewer 1.0, SubViewer 2.0 [3] | Built-in video preview, times synchronization, translation, spellcheck. | |
| Subtitle Composer | GPL | Linux, Windows | Yes | Yes | WebVTT, SubRip/SRT, MicroDVD, SSA/ASS, MPlayer, TMPlayer, YouTube, VobSub, BluRay/PGS, DVD/Vob, DVB, XSUB, HDMV-PGS [4] | Speech Recognition, Video preview, Translations, Subtitle positioning, Javascript macros |
| Subtitle Edit | GPL | Windows, Linux | Yes | Yes | 250+ | Translate mode, spell check, OCR, batch convert, uses .NET Framework |
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