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BuddyPress vs Elgg: catalog facts
BuddyPress	Elgg
Free Free and open source under the GPL.	Free Free and open source.
Self-hosted	Self-hosted
Adds profiles, groups and activity streams to WordPress Works with bbPress for forums	Granular access control for private networks and intranets Extensive plugin and theme system
Requires a self-hosted WordPress site Customising beyond defaults may need WordPress development skills	Building a polished site often needs PHP development Requires a PHP and MySQL server
Self-hosted	Self-hosted
Open source	Open source
License: GPL-2.0	License: GPL-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.