Diigo is an online social and communication platform that allows users to share, store and organize web content. The platform provides tools for bookmarking, highlighting, and annotating webpages and documents, as well as for sharing these annotations with friends and colleagues. It also offers a suite of social networking features, such as group discussion forums, shared bookmark lists, and private messaging. Diigo also offers mobile apps for iOS and Android devices, which allow users to access their content on-the-go. With its powerful tools for collaboration, Diigo makes it easy for users to stay connected and share knowledge with each other.
Pocket simply stores web articles. Diigo stores general information in an organized manner.