Phase2 Technology is announcing that Open Atrium with version number 2.54 is already available to download.
What is Open Atrium ?
Open Atrium is An open source team collaboration portal built on top of the famous Drupal CMS core, easy to install and get it running anywhere .
In case you really love Drupal, you can use Open Atrium to setup your own Web-based project management website, create complex Web portals or even run entire company Intranets.Open Atrium is free script that adds new features on top of the famous Drupal CMS that will allow webmasters more control over data sharing, custom dashboards, document sharing, project tracking and so on.It was created so it can allow users an easier way for sharing data and following each others without the admin needing to install tens or hundreds of smaller Drupal modules.Open Atrium can be easily deployed anywhere and will work just like any Drupal site, but benefiting from a much more easier to manage administration interface.Because Open Atrium is basically Drupal at its core, it’s also easy to extend, easy to scale up or down and as easy to customize as any Drupal site.
This is changelog for Open Atrium version 2.54 :
- Improved comments for OG role updates
- Fix update 7227 so it doesnt remove roles because of orphaned OG role table data
- Fix recent activity smoke test, use pattern instead of raw
- Merge branch ‘7.x-2.x’ of git.drupal.org:project/oa_core into 7.x-2.x
You can read the complete changelog and also download this latest version on their homepage: openatrium.com 
