@Kenny_D thanks, I had already been there (via your earlier post under Favorite WebExtensions?).
Also Andrei Petcu’s WebExtensions I like :: Collections :: Add-ons for Firefox (via his comment under May’s Featured Add-ons | Mozilla Add-ons Blog (2017)), and so on.
My concerns about the seven extensions in my previous post are deep – and quite focused, after huge amounts of time spent seeking alternatives for a much broader range of extensions.
Diigo
… the more recent Diigo Web Collector, first released 2017-07-19, is unsuitable (significant loss of functionality)
A little more detail:
https://twitter.com/grahamperrin/status/893879902897922049
– I suspect that the loss of functionality is not limited to addons.mozilla.org. I’m a premium user, so I can gain priority support in private, but it’ll be nice to have a public explanation.
Future alternatives to Firefox 57
Yesterday I rediscovered Seamonkey. Very recently updated for FreeBSD, and it seems stable enough (I have been using it primarily for Riot, which seems to be better in Seamonkey than in Firefox). Now I see it mentioned in last year’s [WebExtensions] Future of innovative add-ons by @desktopd …