Tizmos is described as 'Share websites & videos with your class using student-friendly visual bookmarks' and is an app in the Education & Reference category. There are more than 10 alternatives to Tizmos for a variety of platforms, including Online / Web-based, Google Chrome, iPhone, Android and iPad. The best alternative is Raindrop.io, which is both free and Open Source. Other great apps like Tizmos are Diigo (Freemium), Pinboard (Paid), historious (Freemium) and Stash.ai (Paid).
Pinboard is a bookmarking website intended for people who want to reliably keep track of large numbers of links. Its goals are to be useful, fight bloat, keep things fast, and stay small. Social bookmarking for introverts. m.pinboard.in
Bookmark Sidebar is an extension for Chrome, which adds a toggleable sidebar with all your bookmarks on the left or right side of your screen. You can sort, edit, delete or rearrange your bookmarks easily from within the sidebar.
We Heart It lets you create an online album (a heart) with your favorite images and videos. At the same time you can see what other people are adding to their own hearts and save it on yours to grow your collection.
"Highlights - Highlighter and Web Clipper" chrome extension by Learning Paths, helps you organise your content across the internet. Highlight, Tag and add notes to relevant content across the internet.
LinkAce is meant to provide a long-term archive of links to websites, media files or anything else which has a valid URL. Store interesting articles, neat web tools or libraries you may use sometime in the future.