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Categories
Activities (308)
Learning activities in courses
Assignment (26)
Different types of assignments
Database (4)
Plugins for the database activity module
Workshop (3)
Workshop has a number of plugin types
Quiz (93)
Ways to extend quizzes
SCORM (1)
New reports for SCORM
Book (4)
The book activity that is in core. It can have sub-plugins.
LTI (0)
Integration with external tools via IMS Learning Tool Interoperability standard.
Blocks (298)
Useful tools to add to courses or home pages
Themes (127)
Change the look and feel of your site or course
Users (78)
Tools for managing users
Authentication (37)
Different methods of identifying users
Enrolment (30)
Customise how people get enrolled in courses
User profile fields (11)
Add new fields to user accounts
Course formats (27)
Change the structure/layout of course pages
Filters (60)
Filters can process and change text
Reports (30)
Report plugins for administrators, teachers and general users.
Admin reports (0)
See reports about site activity. Replaced by the generic Report plugin type in Moodle 2.3.
Course reports (0)
See reports about course activity
Gradebook (14)
There are several ways to extend the gradebook
Grade reports (7)
Interfaces to view and manipulate grades
Exports (4)
Export grades to files or other systems
Imports (0)
Import grades from files or other systems
Grading methods (3)
Advanced grading methods (also known as grading forms) provide new interfaces for grading items in Moodle.
Admin tools (29)
Provides utility scripts useful for admins to examine and modify a Moodle site (2.2+)
Log storage (3)
Located in admin/tool/log/store (subplugins of tool_log core admin tool)
General plugins (Local) (110)
General plugins go into the /local directory and do not fit into any particular category.
Allow to restrict an activity or section so that only certain users can access it.
Portfolios (2)
Export user content to other systems
Plagiarism (13)
Connect to different plagiarism services
Beyond REST, SOAP, AMF and XML-RPC ...
Calendars (3)
Various types of calendar systems
Search engines (0)
Search engine backends to index Moodle's contents.
Data formats (1)
Formats for data exporting and downloading
Antivirus (0)
Antivirus scanner plugins provide virus scanning functionality using third-party virus scanning tools.
MNet services (0)
Allows to implement remote services for the MNet environment.
Other (33)
Useful code that does conform to any standard plugin type
Utilities (1)
Various software that is not implemented as a Moodle plugin yet may provide useful functionality related to Moodle.
Experimental (6)
Moodle plugins that require specific environment, extra attention during the installation, or custom core patches applied to make them work.
Incubating (7)
Moodle plugins that do not yet meet all the different standards and criteria to be listed in the matching plugins category.
Recently added plugins 
auth_saml2sso
Authentication using exists SimpleSAMLphp Service Provider
Latest release: Tuesday, 11 October 2016, 1:11 AM
logstore_caliper
Integrates with Learning Record Storage using the IMS Caliper 1.0 specification. Certified with IMS Caliper 1.0 for the AssessmentEvent, OutcomeEvent and SessionEvent metric profiles.
Supports Moodle 3.0
Latest release: Friday, 12 August 2016, 2:43 AM
block_download_certificates
This block displays all the previously issued certificates without having to go into each course to view them. You will also be able to download the certificates directly from the block report. It will also work for courses that needs to be archived but still want students to be able to download the certificate. You will need to make sure you change the course visibility 'Enrolled users only' and hide all other resources except the certificates.
Latest release: Friday, 9 September 2016, 9:51 PM
qtype_wordselect
A very easy to use "select the words" Moodle question type.
Latest release: Thursday, 8 September 2016, 2:14 AM
mod_recommend
Allows participant to request recommendations or appraisals. Recommending person receives a link to fill the form online without logging in to moodle. Teacher can set up questions, view and accept responses.
Supports Moodle 3.1
Latest release: Saturday, 1 October 2016, 10:00 PM