webiny-js

Open-source, self-hosted CMS platform on AWS serverless (Lambda, DynamoDB, S3). TypeScript framework with multi-tenancy, lifecycle hooks, GraphQL API, and AI-assisted development via MCP server. Built for developers at large organizations. Maintained by webiny on GitHub, where it has earned 8,013 stars from the community.

It's actively developed around ai-assisted-development, aws, aws-lambda, and is a solid reference for anyone building with these tools.