Agent builders

Libraries and a platform, including LangGraph, for building agents in code.

Visual workflow automation you can self-host, with AI steps in the graph.

Visual builder for LLM apps and agents, with a version you can self-host.

Builder for chat agents that live on a website, in a help desk, or in a messaging app.

Code-first framework for describing a team of agents with roles.

Open-source visual canvas for wiring LLM flows without starting from scratch.

Open AI agent from Nous Research with desktop app, connectors, local models, and a plugin catalog.

Design tool for conversational agents, including voice and chat flows.