Best AI Agent Frameworks Software

Letta (MemGPT) is an open-source agent framework and AI operating system from UC Berkeley researchers that equips stateless LLMs with persistent memory, enabling stateful, self-improving agents.

Botpress is a modern, LLM-native platform for building, deploying, and managing AI agents and chatbots that automate conversations, tasks, and workflows across channels.

Rasa is a platform that extends LLMs with reliable business logic to build secure, scalable conversational AI agents for enterprises.

Flowise is an open-source, low-code platform for visually building and orchestrating customized AI agents and LLM applications via drag-and-drop.

E2B is an open-source cloud platform providing secure sandboxed environments for AI agents to execute code safely with real-world tools.

Fixie.ai is a cloud-based platform that integrates large language models with real-world tools, data sources, and APIs to build and customize conversational AI agents.