CrewAI

Graph-based framework for workflows as DAGs. Best choice for developers with LangChain experience.

Inngest is an event-driven durable execution platform that allows you to run fast, reliable code on any platform, without managing queues, infra, or state. It simplifies the orchestration of AI agents, ensuring your applications run reliably and efficiently in production.

Letta, formerly MemGPT, is a platform for building stateful AI agents that can remember, learn continuously, and self-improve over time. It solves the AI memory problem through advanced memory management (MemGPT architecture). The platform offers both a CLI tool (Letta Code) for running agents locally and an API (Letta API) for integration into applications.

Mastra is a comprehensive framework for building AI-powered applications and agents with a modern TypeScript stack. It provides all the necessary tools to go from early prototypes to production-ready applications. Mastra integrates with frontend and backend frameworks like React, Next.js, and Node, or can be deployed as a standalone server. It is designed to build, tune, and scale reliable AI products.