Open Source in the United States

CollabNet

CollabNet provides companies with tools and services for collaborative software development by combining open source community expertise with business excellence.

O'Reilly Perl Center

ActiveState

Linux.com

Linux.com: Your one-stop Linux web page, from chatting to news to links -- and more!

the GNU Project and the Free Software Foundation

Since 1983, developing the free Unix-like operating system GNU, so that computer users can have the freedom to share and improve the software they use.

O'Reilly Network

Links to reference content on XML, Linux, Apache, Java Servlets, MySQLand Perl. O'Reilly Network is a reference site for developers who relyon O'Reilly books to provide in-depth technical content on open sourceand emerging technologies important to them.

VA Software

Linux-based solutions for the Web. Servers, enhanced Linux software, expert consulting services, support and Open Source development .

Open Source Risk Management

plone.org

Oslo, Stavanger, Houston, Stavanger, Content Management, Open Source Plone is built on top of the open source application server Zope and the accompanying Content Management Framework which has thousands of developers around the world supporting it.

Zope Corporation

City Of Fredericksburg, Content Management, Consulting, Open Source Zope Corporation is the architect of a family of content management products focused on helping companies better manage information.

White Mesa Software

New Mexico, SOAP, Webservers, Software, Open Source, C++ White Mesa Software offers the White Mesa HTTP Server for Windows NT. Developed by Robert Cunnings in lovely New Mexico and offered as free software.

Extropia

Los Angeles, Web Authoring, Perl, Java, Open Source Welcome to eXtropia.com This site contains free open source web applications, support, documentation and tutorials. You can also buy an optional support license.