Bag the Web - Create a "bag" to collect, publish, and share any content from the Web. This site enables users to build networks of bags, so bags can be linked together to provide rich and complete information about any topic.
Bundlr - Find the best of the Web, organize, then share it!
Delicious - A simple, social bookmarking site to help you organize your favorite websites by tagging the sites for easy retrieval and sharing.
Diigo - A social bookmarking site to help you organize your favorite websites by tagging the sites for easy retrieval and sharing. Diigo also offers web highlighting and annotating. Free, upgraded account for educators that allows you to create and manage student accounts and class groups. Other premium features available for charge.
Blendspace - A site with "canvases" where you curate all of your resources onto virtual boards. Premium features allow for collaboration and voice notations. Great for blended or flipped classrooms!
LiveBinders - A social bookmarking site that helps you create a virtual binder of your favorite websites.
MentorMob - Generate your own VIP version of the Internet. Weed away the junk; then organize any videos, articles or websites into a playlist.
Paper.li - Publish social media or any web content into an online newspaper. Your sources are automatically updated with fresh news every day.
PearlTrees - A place to collect, organize and share everything you like on the Web. Visitors then scroll through the links you've set up, so they're don't get off track from your original path.
Scoop.It - Be the curator of your favorite topic. Create your own social-media stream by collecting resources relating to your topic, then publish it to your favorite social media network.
Storify - Create social stories by bringing together social media scattered across the Web into a coherent narrative.
Themeefy - Create and publish your own e-magazine by curating content from the Web or creating your own content.
WebKlipper - Save and organize your research from the Web. Personalize it with highlights, drawings and sticky notes. Collaborate with others. Share your content.