Screenshot Captor is a tool for grabbing, manipulating, annotating, and sharing screenshots.

Jumpshare is a file sharing service which allows users to upload files from their PC, Mac, and web.

CollabShot is a software that specializes in online collaborations.

RepliGo Reader enables PDF viewing, annotating, printing and form filling.

Limnu is an online whiteboarding app.

Screenpresso screen capture allows you to grab an image or video of what you see on your computer screen, add effects, and share with anyone.

Annotary is the social bookmarking and annotation platform that lets you catalog and share everything you read online.

BeeCanvas is an online whiteboard based visual collaboration tool.

Hypothes.is is a web-based annotation tool for websites.

scrible is a research platform for school and work.