Elgg is an open source social networking engine. In simple terms, it allows you to run your own social networking site. Facebook is a social networking site. It offers a flexible core which can be extended with plug-ins. Numerous free plug-ins are available online and their quality ranges from superb to barely functional.
Features
Key features of ELGG are:
- advanced user management and administration
- cross-site tagging
- powerful access control
- i18n support
- smart devices support
- templating engine
- widget framework
- opensocial support