Multi-Vendor On-Premises is a self-hosted marketplace builder that allows entrepreneurs to start large marketplaces and scale them easily. Comes with over 500 features, open source code and 1,700 live cases worldwide.
Dittofi Marketplace Solution - Build a custom marketplace in under 24 hours.
Teachable - Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.
Sharetribe - Build your online marketplace business. You don't need a developer.
Clever - syncing between education applications for K-12 schools
SmartEngage - Cross-channel autoresponder for marketing automation
Claroline - Claroline is a collaborative eLearning and eWorking platform.