Langflow
Visual builder for AI agents and RAG workflows; deploys flows as APIs or MCP servers.
Custom internal assistants and support bots, delivered as an API the client's site calls.
MIT, very active, visual so clients can see what they bought. Competes with Flowise and n8n.
MIT (LICENSE: 'MIT License, Copyright (c) 2024 Langflow').
Yes, MIT with no restrictions found in the repo root.
Active (pushed 2026-10-07). langflow.org's own analytics config identifies the site as DataStax, an 'ibm-subsidiary' (i.e. the project sits under DataStax/IBM); no acquisition announcement was checked. Needs LLM API keys or local models for anything useful. Repo homepage is listed as http://www.langflow.org (loads over https).
SMBs and internal teams
Custom internal assistants and support bots, delivered as an API the client's site calls.
No priced plan found. langflow.org mentions a free cloud account, 'Professional Services' and 'Premier Support' (contact form, no prices); the docs site references an 'IBM Elite Support for Langflow' product. Prices: not found.
None named