StatSheet: Build custom sport stat charts using the StatSheet database.

mininglabs: Data mining and vizualisation of web data

Twist: See trends and "hot concepts" on Twitter.

Many Eyes: Free visualization + data site from IBM.

Baby Name Voyager: An interactive way of viewing graphs of the popularity of children's first names over time. A classic. Java. by Laura and Martin Wattenberg.

Chicago Crime: The original Google Maps mashup, this site plots crimes happening in your neighborhood. Django. by Adrian Holovaty.

EveryBlock: A web site that lets you view all kinds of local data sets through one interface. Django. by Adrian Holovaty and company, with a grant from the Knight Foundation.

salary vs. performance: An animated visualization of the relation ship between baseball team win-loss records and the amount spent on salary. Processing. by Ben Fry.

zipdecode: An animated explorer for the centroids of zip code districts. Processing. by Ben Fry.

theyrule: An interactive tool for exploring the graph of interlocking corporate directorates -- which board members sit on which other boards. A classic. Flash. by Josh On.

ExxonSecrets: Uses the TheyRule interface to explore how global warming denialists get funding from oil company ExxonMobil. Flash. by Josh On, funded by Greenpeace.

ProxyDemocracy: Explore and query the votes of shareholder proxies by large funds. Ruby on Rails. by Andy Eggers.

Open Congress: Web site for viewing, commenting, and voting on bills before Congress. PHP? by Participatory Politics Foundation, funded by Sunlight Foundation.

GovTrack.us: Web site for tracking bills before Congress and other US government data. .NET. by Josh Tauberer.

MAPLight.org: Web site for seeing correlations between campaign contributions and votes.

mySociety: UK-based nonprofit building a variety of social action sites.

Fundrace: Web site for exploring the political campaign contributions of your US neighbors. Web. by Eyebeam.

Swivel: Web site for storing and visualizing data sets.

TheyWorkForYou.co.nz: shows sparklines of NZ parliament oral question activity for each ministerial portfolio, plus debate text etc

Journa-list: tracks UK journalists and the articles they write

thegamesindustry.net: Aggregates job postings from games industry recruitment agencies.

worldmapper: A collection of cartograms: maps which are morphed so that the area of a region is equal to some measure (e.g. population).

MPTables: Scatterplot of British MPs.

Mapping Worlds: How are the 6.5 billion people of the world faring?

NBA Statistics Visualizations: Several scatterplots and different ways of visualizing perspectives on player and team output in the NBA, as well as a few other subjects.

History of Partisanship in the US Senate: Large-format presentation of Senators' ideological positions, telling the story of party evolution in the Senate for the past 150 years.

Nation Master A massive central data source and a handy way to graphically compare nations. NationMaster is a vast compilation of data from such sources as the CIA World Factbook, UN, and OECD. Using the form above, you can generate maps and graphs on all kinds of statistics with ease.

Gapminder Graphically compare Human Development Trends for many nations over time.

http://hindsight.trulia.com/

http://oakland.crimespotting.org/

Follow the Oil Money

Genealogy of Influence Viewer The Genealogy of Influence viewer uses the Flare Visualization Toolkit to create an interactive visualization of the Influence domain on Freebase, showing who has influenced whom.