mastra by mastra-ai

The Frontend Stack for Agents & Generative UI. React, Angular, Mobile, Slack, and more. Makers of the AG-UI Protocol. Maintained by CopilotKit on GitHub, where it has earned 37,308 stars from the community.

Sim is the collaborative workspace to build, deploy, and monitor AI agents and workflows. Used by 100,000+ builders. Maintained by simstudioai on GitHub, where it has earned 29,615 stars from the community.

An open-source AI avatar generator web app - https://photoshot.app. Maintained by premieroctet on GitHub, where it has earned 3,872 stars from the community.