smolagents

Griptape is a modular framework for building and deploying AI agents, supporting toolchains, memory, and multi-model integration.

Letta (formerly MemGPT) is an open-source framework for building stateful AI agents with advanced reasoning and transparent long-term memory. It allows you to visually test, debug, and observe agents.

Agents is an open-source AI agent framework for building intelligent agents that can autonomously plan and execute tasks.

browser-use enables browser automation for agents, allowing LLMs to understand pages and perform complex web interactions.