https://cinelerra-gg.org/download/CinelerraGG_Manual.pdf
http://g-raffa.eu/Cinelerra/HOWTO/basics.html
.
+2023 February changes of note:
+ GPL headers have been added to essentially all program
+ files with contributor attribution for CV or known author.
2023 January changes of note:
New shell script added to delete background render files
that exist on /tmp named brenderX.