Raindrop.io - All your articles, photos, video & content from web & apps in one place.
The Bored Hoard - Sieve the web for cool websites you probably never knew existed. Supporting the smaller independent sites that Google ignores. All revealed in a weekly box delivered online every Friday.
Tagpacker - A free tool to quickly collect, organize, and share your favorite links.
Gimme Serendipity - Get personalized photo recommendations using our Machine Learning algorithm by rating and submitting photos you like!
Diigo - Diigo is a powerful research tool and a knowledge-sharing community
IsYourLinkSad? - Is Your Link Sad. Make It Happy. Share your URLs to people who actually care.