Admin tools 
Admin tools are advanced plugins that are intended especially for site administrators; they are accessible via the admin site administration tree menu.
Join the discussions about admin tools in the General add-ons forum.
Admin tools: MoodleDT - Development Tools Plugins for Moodle
tool_moodledt
This plugin is a set of tools to assist in developing plugins in Moodle.
Latest release: Thursday, March 6, 2014, 10:54 PM
Category: Admin tools
Admin tools: Advance course search
tool_coursesearch
Course search plugin is replacement of existing course search with the more better performance & extra features.
Latest release: Wednesday, February 12, 2014, 8:31 PM
Category: Admin tools
Requirements: Moodle 2.5, Moodle 2.6
Admin tools: Merge user accounts
tool_mergeusers
This administration tool will merge two Moodle user accounts into one.
Released: Friday, January 17, 2014, 5:47 PM
Category: Admin tools
Admin tools: Edit roles by capability
tool_editrolesbycap
A Moodle admin tool to edit the permissions for one capability in all roles on one screen.
Latest release: Friday, January 10, 2014, 2:52 AM
Category: Admin tools
Admin tools: Advanced spam cleaner
tool_advancedspamcleaner
Advanced Spam Cleaner tool for Moodle
Latest release: Wednesday, September 18, 2013, 11:54 AM
Category: Admin tools
Admin tools: WinCache info
tool_wincache
Plugin to provide phpinfo() style statistics about WinCache usage from within the Site Administration menu.
Released: Friday, April 19, 2013, 9:25 PM
Category: Admin tools
Admin tools: Rebuild Course Cache
tool_rebuildcoursecache
Moodle admin tool to rebuild the course cache for all courses.
Latest release: Tuesday, March 19, 2013, 7:13 AM
Category: Admin tools