LinqBox is described as 'bookmark manager that allows you to save and access links from any browser. It uses bookmarklets that you put on your browser’s already existing bookmark toolbar so there is no need to install any plugins' and is an website in the Web Browsers category. There are more than 10 alternatives to LinqBox, not only websites but also apps for a variety of platforms, including Google Chrome, Windows, Linux and SaaS. The best alternative is Firefox Sync, which is both free and Open Source. Other great sites and apps similar to LinqBox are Pinboard (Paid), historious (Freemium), LinkLocker (Paid) and Bkmks (Free).
Passfindr is a web based premium Personal knowledge base, Password manager and Bookmark manager application to securely store passwords and other sensitive information in a virtual vault locked with individual master passwords.
Sorted is an extension for Firefox. Use this if you find yourself manually creating bookmark folders. Just enter the words commonly occurring in your bookmark titles and this extension will automatically create folders and move your bookmarks.
TeamSync Bookmarks enables users to share and mange bookmarks across a team or friends in real-time. Share, manage, and sync anything with a URL in group folders that you create. Then, invite friends, family, coworkers, or teammates to your shared bookmark.
Vhumo is a Cloud Bookmark Manager to organize your favorite websites into personal categories and access from all devices, wherever you are. You can share with your contacts and import from external platform.