Create collaborate workspaces that include a wiki-like shared note space, screen sharing, and video chat.
Limitations: 10 people can video chat at the same time. Another 20 people can participate in the conference without video.
Virtual classroom with whiteboard, text chat, audio chat. You can upload images to the whiteboard, draw, and enter text. No registration required. Words on iPads as well as web browsers.
Limitations: No video chat. No option to upload a PPT or PDF.
American Sign Language resources, including a dictionary, alphabet, cultural and history resources, and classes. Also includes information about international sign languages.
30hands Cloud is a platform for online and blended learning that merges personalized, structured content with social media and student publishing for better, student-centric learning.
a free, open source toolkit for processing natural language text, based on machine learning. It includes common natural language processing functions such as tokenization, sentence segmentation, part-of-speech tagging, named entity extraction, chunking, parsing, and coreference resolution.
Limitations: can be difficult to use unless you have programming background
A collection of rubrics for assessing portfolios, cooperative learning, research process/ report, PowerPoint, podcast, oral presentation, web page, blog, wiki, and other web 2.0 projects.