Extension:GroupPortal

The GroupPortal extension allows for different groups to be redirected to different main pages.

Configuration
Edit the "MediaWiki:Groupportal" system message and add portals with, e.g. sysop|Administrator's noticeboard RandomGroup|Some page
 * Main Page

For MediaWiki versions 1.27+
Edit file /var/www/mediawiki/extensions/GroupPortal/GroupPortal.php: Instead of: $groupPortals = explode( "\n", wfMsgForContentNoTrans( 'Groupportal' )); write: $groupPortals = explode( "\n", wfMessage( 'Groupportal' )->inContentLanguage->plain);

more information: https://www.mediawiki.org/wiki/Manual:Messages_API