Totara

Totara is an open-source learning management system evolved from Moodle that serves over 1,500 organizations ranging from small companies to large enterprises. The platform handles both formal training (compliance, certification) and informal learning (collaboration, social learning), and provides multilingual support across 35 languages. Advanced reporting, audience targeting, and talent management integrations make it suitable for organizations with complex learning requirements.

It's best suited for enterprises and institutions that need a powerful, flexible, open-source solution with strong support and customization options. The learning curve is steeper than no-code platforms, and you'll want technical resources to manage installation and maintenance, but the feature set and community backing are substantial.