Elgg is a robust open source social application engine. Elgg provides elegant, flexible and scalable solutions for organisations, groups and individuals. Take advantage of powerful social technology today.

From a full social networking site to an iPhone widget, Elgg can power it all.

Open Data Definition

Open Data Definition The Open Data Definition (ODD) is a new format for the import and export of data from within social applications. Data portability is an important issue, and it needs to be solved with practical solutions that work in the real world. Join the conversation and build it with us.

News / Events

news and events We're hard at work on the shiny new Elgg engine, rebuilt from the ground up. However, it's not all work and no play - we're taking time-out to get together and talk about Elgg. If you're in San Francisco on May 7th - come and say hi, we'd love to talk to you.

Elgg Classic

Elgg Classic Visit the Elgg Classic website for support, plugins, forums, documentation and news surrounding Elgg Classic (v0.2 - 0.9).

Elgg Classic website

Mailing list

If you'd like to be notified when the new Elgg launches, and keep up to date with developments, join the elgg.org mailing list.

Elgg highlights

  • Lightweight, robust and scalable.
  • Flexible — pick and choose the features you want.
  • Extensible — powerful and open API's.
  • Adheres to open standards.

Elgg literature

Elgg bookPackt Publishing have released a book on Elgg Social Networking, by Mayank Sharma. It's a useful how-to guide for the classic Elgg codebase.