You can also look up for these other topics:
Framework
Coding Standards
Boilerplate
CMS
Tool
Security
Hacktoberfest
RosarioSIS Student Information System for school management.
francoisjacquetOffice 365 and Azure Active Directory plugins for Moodle
microsoftA gamification plugin for Moodle allowing students to gain experience points and level up.
FMCorzOnline Judge plugin for Moodle 2.7-4.2.
hit-moodle