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 115 entries on Flocci AI Tools with no upgrade path built in.
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.
Windmill is the closest free alternative: it sits in the same Workflow Automation sub-category and is free. Activepieces, Botpress and Chatbase also start free. The full list is on the alternatives page.
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