Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
Lacks available extensions or plugins, and extending functionality requires custom programming.
User-friendly and easy to use, and offers easy management of content and data, with a minimal learning curve. No prommaning knowledge is necessary.
Has a smaller active community. Limited support is available either for free or as a paid service. Adequate documentation is available.