Pocket

It is a fast, no-nonsense bookmarking site for people who value privacy and speed. There are no ads and no third-party tracking. It lets you bookmark from any browser, connect up to three Twitter accounts (and favorites), and sync with popular services like Instapaper or Pocket.

Save and Organize your favorite github repositories. A chrome extension which enables bookmarking feature for github.

It is the social bookmarking app for individuals and teams. Discover, share, preserve, and organize pages from around the web. There is a desktop app for Windows, Linux and Mac and with the extension, you can search your bookmarks, lists, tags and domains directly from the address bar and add new bookmarks with the click of a button.