Announcements
Participate in the conversation. Microsoft Launches Interoperability Forum. Learn more...
You're invited to the second annual Open Source ISV Forum for interested business partners using open source and open commercial software. Learn more...
Join Microsoft in celebrating amazing people who develop and deploy open source software. {Open Source} Heroes Happen Here. Learn more...
Spikesource is proud to offer the first open source PHP applications tested and validated for Windows Server 2008. Learn more...
Aras leads as one of the first open source partners to be Certified for Windows Server 2008. Learn more...
Resources for Getting Started
We have a number of resources available for people interested in open source development at Microsoft.
Developers and Maintainers
Learn, be creative, and solve problems collaboratively, using whatever approach you choose. Learn more...
Let Microsoft programs and initiatives help you start an open source project.
IT Administrators
Leverage our extensive online technical documentation and newsgroups to solve critical problems.
See all resources for IT Administrators
Government Agencies and NGOs
Learn how Microsoft helps governments and NGOs use information technology, including open source, to serve its citizens
See all resources for Government Agencies and NGOs
Projects and Partnerships
In addition to hosting open source projects on CodePlex, Microsoft partners with open source-based businesses and communities.
MindTouch Deki Wiki is an open source Web services platform for creating mashups with a wiki interface. Learn more...
Sourceforge is the world's largest open source software development Web site. Learn more...
Microsoft is a participant and sponsor of the 2007 Government Open Source Conference, which helps IT management see how open source software might fit into software acquisition or development strategies. Learn more...
CodePlex is Microsoft's open source project hosting web site. Learn more...