Those are pretty much the best resources outside of Twitter.

-Lightning Junkies podcast used to be a good resource but he's no longer recording. You can still listen to his podcast episodes though: https://lightningjunkies.net/

-Thriller Bitcoin includes some articles about lightning projects: https://www.thrillerbitcoin.com/

-@cryptocoin dropped a link to a new resource this morning: https://fanismichalakis.fr/posts/latest-strikes-1/