Diigo is a powerful research tool and a knowledge-sharing community.

Kifi creates a full-text index of every web page shared, making them easier to find in Slack, Google search.

elCurator let you bookmark, read and collaborate with ease.

Pinterest is a web and mobile application startup that operates a software system designed to discover information on the World Wide Web.

Hitabs is a web platform to save, group and share your links, bookmarks and useful online resources.

favattic is an online bookmark manager.