dreamfactory

DreamFactory is a secure, self-hosted enterprise data access platform that provides governed API access to any data source, connecting enterprise applications and on-prem LLMs with role-based access and identity passthrough. Maintained by dreamfactorysoftware on GitHub, where it has earned 1,775 stars from the community.

It's actively developed around api, api-generation, api-generator, and is a solid reference for anyone building with these tools.