Please, read the presentation page.
Lots of documentation about OpenAlea is accessible on the Wiki that you are currently browsing. The wiki is dedicated to OpenAlea and VisuAlea, which is its Visual Programming Environment. However, OpenAlea provides many more packages that may be part of other projects. Each package has its own home page that can be found within a web page generated from the sources files using Sphinx Sphinx pages.
Have a look to the download page.
The aim of OpenAlea is to develop portable tools on MS/Windows, MacOsX and GNU/Linux.
OpenAlea is not a fixed architecture and brings together different developments.
You can either choose the package you want to use manually, or directly download and install a complete distribution.
See also the User Guide
Please ask any questions related to OpenAlea on the Forum.
News are available through a RSS feed associated to the project. You can visualize them on the Web Site (news) or directly with your aggregator.
All the RSS feed are available here.
For major announcement, the mailing list is also used.
Each OpenAlea package have a short description page on this site. Check the packages list.
OpenAlea will be released under a free license (GPL or LGPL or CeCILL). For more information about licenses, please read this page.
However, external OpenAlea packages can be distributed under other license terms. This information is available on each package web page.
Every development can be integrated in the OpenAlea framework, since it respects some guidelines.
More more information, read the developer guide.