I host Wallabag, besides the features already mentioned here, two others I use frequently and are crucial to my workflows are the following integrations:
Koreader integration, so I can access my articles on any ereader
Logseq integration, so that all read articles and highlights/annotations are synced with my knowledge base
I host Wallabag, besides the features already mentioned here, two others I use frequently and are crucial to my workflows are the following integrations: