"Bamboo DiRT is a tool, service, and collection registry of digital research tools for scholarly use. Developed by Project Bamboo, Bamboo DiRT makes it easy for digital humanists and others conducting digital research to find and compare resources ranging from content management systems to music OCR, statistical analysis packages to mindmapping software."
IDroo is a free online whiteboard that is
"FREE for non-commercial use
# Collaborative meetings with many participants (10 or even more)
# Insert simple and complex mathematical equations
# Draw and write your ideas
# Express your mind through images
# Take advantage of high quality calls over Skype
# All drawings are easily editable vector graphics
# Works with Wacom Bamboo, Wacom Intuos and other digital tablets"