Open Subtitles
A community repository for subtitles, with a total of 3.36 million subtitle files covering more than 60 languages
https://www.opensubtitles.com/en/home
Opensubtitles.org
A commercial entity
admin@opensubtitles.org
https://www.opensubtitles.com/en/privacy/
Yes - it has a direct download link or links
https://opus.nlpl.eu/OpenSubtitles-v2018.php
No
If you use the OpenSubtitle corpus: Please, add a link to http://www.opensubtitles.org/ to your website and to your reports and publications produced with the data! I promised this when I got the data from the providers of that website!