XMarks is a cloud based bookmark management platform.

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

Pearltrees is a visual and collaborative curation tool.

elCurator let you bookmark, read and collaborate with ease.

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

GC Bookmarks is a cloud based bookmark manager.

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