Mirador is a tool for visual exploration of complex datasets. It enables users to discover correlation patterns and derive new hypotheses from the data.
sortable list of tools for data analysis and data visualization. includes mapping, skill level, platform, etc. Accompanying article. Computerworld, By Sharon Machlis. April 20, 2011.
BuzzData "lets you share your data in a smarter, easier way." social platform that allows users to share a range of data with other interested parties in a way that is intuitive and easy to use. you can upload data, attach visualizations, articles, and other documents