Have you looked at https://github.com/edx/edx-platform https://github.com/edx/edx-platform? It's one platform that's established and open source. It might not b

Have you looked at https://github.com/edx/edx-platform https://github.com/edx/edx-platform? It's one platform that's established and open source. It might not be lightweight enough for your needs though.