Diva.js (Document Image Viewer with AJAX) is a JavaScript book image viewer designed to present multi-page documents at multiple resolutions. Using Diva.js, high resolution images can be delivered to scholars interested in studying fine details of archival collection images.

The Annotator allows you to analyze any block of text created by other authors. You may use virtual markers to highlight important passages, questions, thoughts, or add comments.

myPeers is a scholars social network that allows you follow your peers' research, get notified when their papers are published, and have access to their published work. It was only available for mac users