Langflow
Open-source visual builder for agents and MCP servers, plus a free cloud account.
AI Agents
What you get
Drag-and-drop agent and flow builder with Python under the hood; deploy flows as APIs.
How to get it
Self-host the open-source version, or sign up for a free cloud account at langflow.org.
What it requires
Not stated by vendor
The catch
Free cloud limits are not stated by vendor.
From the official page ยท checked 2026-10-14
Compared in: Best free AI agent tools