Langflow is listed under Workflow Automation, in the AI Agents & Automation category on Flocci AI Tools. Open source with 138k GitHub stars, free desktop app and free cloud account. It is free, with no paid plan attached, and it lives at langflow.org.
Langflow is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 396 entries on Flocci AI Tools with no upgrade path built in.
Langflow works in a normal browser tab with no install. It is available on the web, self-hosting, the command line, Mac and Windows.
Langflow does 3 things the catalog singles out: Open source with 138k github stars, free desktop app and free cloud account; drag-and-drop visual builder for agents and rag pipelines on top of langchain primitives; deep integrations across major llms, vector dbs and google cloud/slack/mongodb.
Flowise is the closest free alternative: it sits in the same Workflow Automation sub-category and is free. Google Opal, LangBot and Sim also start free. The full list is on the alternatives page.
See the full list →