Shaarli - Shaarli is a minimalist link sharing software you can install on your own website
Pocket - When you find something you want to view later, put it in Pocket.
WebCull - WebCull is an ad-free, privacy-focused bookmark manager that works from any browser or device.
wallabag - Save the web, freely.
LARDER - Bookmarking for developers
Raindrop.io - All your articles, photos, video & content from web & apps in one place.