This is a list of Firefox extensions, which no longer works since Firefox 57, and replacements I'm trying out.
VimFx -> Vimium for Firefox, available as Vimium-FF
Tab Groups -> Sync Tab Groups available as sync-tab-groups
It's All Text -> Ghost Text , It's All Ghosts
Maff (Mozilla Archive Format) - abadoned, suggested replacement is Save Page WE
No Script - already ported
HTTPS Everywhere - already ported
Cliget - already ported