Lessonly by Seismic
Empower your teams to learn, practice, and perform with AI-driven sales enablement and microlearning.
The world's most scalable, open-source learning platform for massive-scale education and corporate training.
Open edX is a massive-scale, open-source learning management platform originally developed by MIT and Harvard. In 2026, it stands as the premier choice for organizations requiring high-extensibility and data sovereignty. Its technical architecture is a robust suite of microservices primarily written in Python (Django) and React, utilizing the 'Tutor' deployment orchestration tool which simplifies Docker-based installations. The platform's unique XBlock architecture allows developers to create modular, interactive components that go far beyond standard SCORM packages. Positioned for the 2026 market, Open edX has fully embraced AI-driven instructional design, integrating LLM-based assistants for automated course content generation and real-time student tutoring. Its micro-frontend (MFE) strategy provides a modern, decoupled UI/UX that allows enterprises to brand and skin the platform without interfering with core logic. As organizations move away from restrictive SaaS contracts, Open edX offers a future-proof foundation for proprietary educational ecosystems, supporting everything from small internal training hubs to Global MOOC platforms serving millions of learners simultaneously.
A component architecture that allows developers to build plug-and-play learning widgets as independent web objects.
Empower your teams to learn, practice, and perform with AI-driven sales enablement and microlearning.
The most customizable and developer-friendly WordPress LMS for scaling high-value online courses and membership sites.
The premier WordPress LMS for high-performance, scalable online education and corporate training.
The learning management system designed for teaching, built for students.
Verified feedback from the global deployment network.
Post queries, share implementation strategies, and help other users.
A sophisticated peer-grading and self-assessment engine that supports rubrics and AI-assisted grading.
Elasticsearch-powered cataloging system that allows for faceted search across thousands of courses.
Hadoop/MapReduce or ClickHouse-driven data pipeline that processes millions of event logs for learner behavior tracking.
Decoupled React applications for Profile, Account, and Course views that talk to the backend via REST APIs.
Full compliance with Learning Tools Interoperability standards for secure integration with third-party tools.
Open-source codebase for iOS and Android apps that support offline learning and video downloads.
Scaling a single course to 100,000+ simultaneous learners without performance degradation.
Registry Updated:2/7/2026
Ensuring 50,000 employees complete mandatory training with verifiable audit trails.
Selling high-stakes certification courses with integrated proctoring.