AI infrastructure / 3 companies

Agent frameworks. The code developers build agents with, including keeping many agents working in step.

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Newest on the page first. Sorted by date only.

15 Sept 2026AgentaAn open-source workspace to build, version, evaluate and trace agents.Following
15 Sept 2026MastraAn open-source TypeScript framework for building agents and workflows.Following
15 Sept 2026PydanticThe Python data-checking library, now an agent framework, evals and tracing.Following