Subtitle Edit is a free (open source) editor for video subtitles - a subtitle editor :)
With SE you can easily adjust a subtitle if it is out of sync with the video in several different ways. You can also use SE for making new subtitles from scratch (do use the time-line/waveform/spectrogram) or translating subtitles.
To install, please run in the command line: sudo snap install --edge subtitle-edit.
After installation, please run the following to add the required permissions:
(Ownership verified)
The publisher has verified that they own this domain.
It does not guarantee the Snap is an official upload
from the upstream project.
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.