R2i Open Web Studio Core is licensed under the GNU General Public License (GPL) version 2. All the sub-projects included in R2i Open Web Studio Core are either licensed under the GPL or a compatible open source license. R2i Open Web Studio would not be around without the open source contributions of various open source projects and want to give credit and thank all the other contributors that help make R2i Open Web Studio Core possible.
- DotNetNuke (DNN): DotNetNuke® is a free, Open Source Framework ideal for creating Enterprise Web applications. DNN is used for as a Content Management System for our public web site, Intranet and extranet portals.
- jQuery - Our development efforts include the usage of JQuery for producing very simplistic animation, and interaction within the web environment. JQuery is by far the most useful, yet compact framework available.
- CodePlex - CodePlex is Microsoft's open source project hosting web site. You can use CodePlex to create new projects to share with the world, join others who have already started their own projects, or use the applications on this site and provide feedback. Microsoft does not control, review, revise, endorse or distribute the third party projects on this site. Microsoft is hosting the CodePlex site solely as a web storage site as a service to the developer community.
- Nant - NAnt is a free .NET build tool.. R2i OWS uses Nant to provide Visual Studio automatic packaging build scripts.