XMarks is a cloud based bookmark management platform.

Raindrop.io syncs bookmarks into the cloud and makes them beautiful as well as easy to search.

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

lumio is an online content organizing platform.

Linkman is a bookmark organizer that provides uniform access to bookmarks and favorites across browsers and even multiple computers.

Unmark is an open source to do app for bookmarks.

Dropmark is an online collaboration platform.

Papaly is a simple social bookmarking tool to manage links.

Tagpacker is a free tool to collect, organize, and share your favorite links.

Pearltrees is a visual and collaborative curation tool.

elCurator let you bookmark, read and collaborate with ease.

Basket is an online knowledge management platform.

Listango is an online bookmark manager that lets you save your favorites online and access them from anywhere.