Shaarli - Shaarli is a minimalist link sharing software you can install on your own website
Pinry - Pinry is a private, self-hosted, Pinterest inspired by Wookmark and built on top of Django.
Pocket - When you find something you want to view later, put it in Pocket.
Exposure - Turn your pictures into art.
wallabag - Save the web, freely.
ClanShot - Connect and share your pictures with the clan, here you can post and comment the shots of users or...