Also have a look at Crestify[0]. It doesn't store local copies of the bookmarks, but instead archives them to Archive.org and Archive.today. It is open source a

Also have a look at Crestify[0]. It doesn't store local copies of the bookmarks, but instead archives them to Archive.org and Archive.today. It is open source and PRs are welcome. [0] https://github.com/crestify/crestify https://github.com/crestify/crestify