Congratulations to the top 21 Featured Projects! Why 21? For the second year in a row, we had a tie. Please note: these are listed in alphabetical order.

• A Mashup of 29+ Social Action Platforms -- Social Actions
• Anti-Genocide Action Tracker: Genocide Scores for Every Legislator and State
• Ask Your Lawmaker: Connecting Local Communities to their Lawmakers
• Assetmap.org/Uganda
• City of New Orleans: A Mashup for Citizen Monitoring of the Recovery
• CorpWatch - Government Data on Corporations
• Freecycle Cellular Osmosis
• Greener One
• KnowMore.org Firefox Extension - Get Alerts of Corporate Abuses When You Visit Company/Brand/Product Websites
• Map This!
• MAPLight.org: Mapping Money and Politics
• MetaVid: Community Video Archive Project
• MoveSmart.org
• My Green Map: Sharing your Sustainable Worldview
• OneWorld Connect
• OpenCongress.org :: Track Congress with Social Data
• Rosetta Project - Minority Languages in Google Earth
• Squarepeg - change is social
• Ushahidi: Mapping Reports of Post-Election Violence in Kenya
• Volunteer Now! - by mobile phone
• Your Mapper - know your neighborhood

To view all projects published in the Mashup Challenge, please visit the Project Gallery.