Spidermarks is described as 'Personal bookmarks search engine. Online bookmark manager for organizing, searching and sharing bookmarks' and is an app in the News & Books category. There are more than 10 alternatives to Spidermarks for a variety of platforms, including Online / Web-based, Android, Google Chrome, iPhone and Windows. The best alternative is Diigo, which is free. Other great apps like Spidermarks are historious (Freemium), LinkLocker (Paid), Quicklinkr (Free) and Draggo (Free).
Quicklinkr.com is a home for all of your favorite websites, links, images, videos, articles and so much more! All of your bookmarks in one place, organized the way you want them, accessible from any location, any time and from any device!
This extension indexes all your bookmark items once and updates its indexing database when a change occurs in your bookmark tree like a new bookmark being added, removed or modified. This database can then be used to find matching terms using the extension's popup window.
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.