Michael asks a good question and opens a can of worms, and starts by noting that "the community bookmark lexicon... [is] minimal: a URL, timestamp, tags". He wonders whether it also needs "additional fields...visibility (public vs unlisted)notestitledescriptionauthorpublication datesite namethumbnail imagecanonical URLprovenance (where a bookmark …

"Monomarks is an open social bookmarking platform built on the AT Protocol. You can save, organise, and share links to interesting stuff while maintaining full ownership of your data... in the general mould of Pinboard, Delicious"