eStudy is an Open Source e-learning and collaboration platform for colleges and universities. In addition to usual course management facilities, eStudy provides special support for role-play simulations in computer science.
ATUIN (Atuin the unique innovation network) is a wiki-inspired collaboration platform for creating a problem-solution network written in PHP (implementing the Zend Framework) using XML/RDF files.
Auth0 Token Vault handles secure token storage, exchange, and refresh for external providers so you don't have to build it yourself.
Rolling your own OAuth token storage can be a security liability. Token Vault securely stores access and refresh tokens from federated providers and handles exchange and renewal automatically. Connected accounts, refresh exchange, and privileged worker flows included.