Drupal Commons is the better way to social business. The only [open alternative] social business software, Drupal Commons is the social layer in the enterprise that drives customer loyalty, employee efficiency, and bridges the social web — all at a lower total cost than proprietary solutions.
Jive Software and other Enterprise 2.0 software vendors should start to worry. Acquia - the company that rules the Drupal project - has released the free open-source solution for creating social intranet and extranet portals Drupal Commons. Of course, before now many companies also were using Drupal CMS to power internal and external portals. If you look at any Enterprise 2.0 systems rating, you will find Drupal among leaders fo the industry. But Drupal customization - is not so easy. And Drupal Commons - is an out-of-box solution for enterprise social networks. It provides profiles, dashboards and groups. Each group has a blog, forum, chat, wiki, document storage with version control, polls, calendar, RSS (from external sites).