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.
Diigo - Diigo is a powerful research tool and a knowledge-sharing community
wallabag - Save the web, freely.
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Webcrate - Lightning fast personal portfolio website builder