Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Lunyr - A decentralized crowdsourced encyclopedia.
Barkr - Organise bookmarks into collections and then find your favourite websites quickly and easily, using an intuitive search rather than wading through masses of folders.
Inverse - Team conversations and knowledge sharing on any webpage
Pinboard - Pinboard is a personal archive for things you find online and don't want to forget.
Diem - Diem is a knowledge-sharing platform and digital safe space built for women and non-binary people.