Bossie Award

Elgg was voted best open source social networking platform in 2008

Elgg is an award-winning open source social networking engine that provides a robust framework on which to build all kinds of social environments, from a campus wide social network for your university, school or college or an internal collaborative platform for your organization through to a brand-building communications tool for your company and its clients.

  • Well-documented core API that allows developers to kick start their new project with a simple learning curve
  • Composer is the package manager of choice that greatly simplifes installation and maintenance of Elgg core and plugins
  • Flexible system of hooks and events that allows plugins to extend and modify most aspects of application's functionality and behavior
  • Extendable system of views that allows plugins to collaborate on application's presentation layer and built out complex custom themes
  • Cacheable system of static assets that allows themes and plugins to serve images, stylesheets, fonts and scripts bypassing the engine
  • User authentication is powered by pluggable auth modules, which allow applications to implement custom authentication protocols
  • Security is ensured by built-in anti CSRF validation, strict XSS filters, HMAC signatures, latest cryptographic approaches to password hashing
  • Client-side API powered by asynchronous JavaScript modules via RequireJS and a build-in Ajax service for easy communication with the server
  • Flexible entity system that allows applications to prototype new types of content and user interactions
  • Opinionated data model with a consolidated API layer that allows the developers to easily interface with the database
  • Access control system that allows applications to build granular content access policies, as well as create private networks and intranets
  • Groups - out of the box support for user groups
  • File storage powered by flexible API that allows plugins to store user-generated files and serve/stream them without booting the engine
  • Notifications service that allows applications to subscribe users to on-site and email notifications and implement integrations with other their-party services
  • RPC web services that can be used for complex integrations with external applications and mobile clients
  • Internationalization and localization of Elgg applications is simple and can be integrated with third-party services such as Transifex
  • Elgg community that can help with any arising issues and hosts a repository of 1000+ open source plugins

Elgg on Github

You can follow the latest work in progress or contribute via GitHub.

Elgg on Github

Supporter Scheme

Are you an individual or organization who uses and likes Elgg? Consider becoming an official supporter of the Elgg project. With only $50 per year for individuals or $150 per year for organizations, you can help the Elgg project. Learn more >>


If you are looking for somewhere to host your Elgg powered network, we are putting together a list of providers who have added Elgg hosting to their services.

A2 Hosting

Arckcloud Hosting

Arvixe Hosting