The OpenDataPhilly.org web site launched in April 2011. Unlike most open data sites, this was developed by the local government. Rather, it was a public-private-nonprofit collaboration that included the City of Philadelphia, WHYY (local NPR affiliate), TechnicallyPhilly, NPower PA, William Penn Foundation and Azavea. It incorporates not only government data and APIS but those provided by non-profit organizations and universities.

In fall 2011, the project launched the Open Data Race with paired requests for release of government data with the particular mission and objectives of regional non-profit organizations. The OpenDataPhilly team is now working with the City to see encourage the release of these data sets.

The effort has been the topic of a several local hack-a-thons and has also released the software as the open source Open-Data-Catalog https://github.com/azavea/Open-Data-Catalog

NYC Big Apps is an annual software competition sponsored by NYC Economic Development Corporation, NYC Department of IT & Telecommunications (DoITT), and strategic partner BMW iVentures to develop mobile and web applications that utilize city data and improve the lives of New Yorkers. Now in its third year, BigApps has generated more than 140 apps and made nearly 750 City data sets publicly available. Since its inception, BigApps has expanded to feature new award tracks and prizes, a Founders Network providing mentorship, networking, and business support services, a hackathon, and an Ideas Challenge for the public to suggest app ideas. Winners are selected by a panel composed of successful entrepreneurs and leading ventue capitalists. For this year's competition, more than twenty NYC-based startups have offered up their APIs for developers to use.

Since its launch in February, 2011, ACTion Alexandria, Alexandria, Virginia’s online platform for community change, has mobilized hundreds of citizens to share their ideas, take action, and make an impact in their city. Its impact has been real and immediate. In less than a year, ACTion Alexandria has helped Alexandria nonprofits raise almost $120,000 and build crucial online fundraising and social media infrastructure.

A public-private partnership funded by ACT for Alexandria (community foundation), the City of Alexandria, and the Knight Foundation, ACTion Alexandria is a socially innovative response to a new age of austerity.

With more than 500 active members and thousands more receiving news through the website and social media, ACTion Alexandria has provided a platform for citizens to do everything from organize a neighborhood cleanup, prioritize the City of Alexandria’s Quality of Life Indicators, and nominate local playground for “spruce-up” grants. Through ACTion Alexandria, citizens are making real contributions through increased civic engagement.