Aegisub is a free, cross-platform open source tool for creating and modifying subtitles.
Install single-file bundle
$ flatpak --user install "aegisub-3.2.2+20190914.x86_64.flatpak"
Run
$ flatpak run "org.aegisub.Aegisub"
Uninstall
$ flatpak --user uninstall "org.aegisub.Aegisub"
Changelog
- Update
FFmpeg
to4.2.1