Moodle
Moodle HQ · 🇦🇺 Australia · since 2002
The world's most-deployed LMS. Free and open-source, with strong support for assignments, quizzes, SCORM and live classes via plugins.
LMSOpen sourceSelf-hostAssignmentsQuizzes
Free open-source
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Odoo Community
Odoo S.A. · 🇧🇪 Belgium · since 2005
Open-source modular ERP. Sales, CRM, inventory, HR, project — all in one. Self-hostable.
ERPCRMHROpen source
Free community
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