Peoples is a simple User and User Group listing component for MODx Revolution. It can be used in community sites to show who is signed up as a User for a site, and any User Groups within that site.
See the official documentation:http://rtfm.modx.com/display/addon/Peoples
Updater - the universal update notifier"keeps you up to date with your MODX version information"Main features:Managed Update Information for core updates with security information Dashboard widget shows if there is an update for the
MODX core available and if there are package updates available for
download or install.E-Mail notifier which sends notifications about core updates, package updates…