20 Langflow alternatives
Langflow: Open-source, MIT-licensed visual builder for AI agents, RAG apps and MCP servers, maintained by IBM's DataStax and extensible in Python. 20 apps do similar work, most sharing Open Source, Self-Hosted and Python, ranked by how much they have in common with Langflow.
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HKUDS
Open-source, self-hosted personal AI agent you run yourself — browser UI, terminal or your chat apps, with memory, MCP tools and scheduled automations.
Also: Agents, Open Source, Python, Self-Hosted
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Vectify AI
A vectorless RAG engine that builds a tree index of long PDFs and lets an LLM reason its way to the right section, with page-level citations.
Also: MCP, Open Source, Python, RAG
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Open-source platform for running a standing team of AI agents — you hire, schedule and review them, and they keep working while you are offline.
Also: Agents, MCP, Open Source, Self-Hosted
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Secure cloud sandboxes where AI agents can run untrusted code safely, starting in milliseconds.
Also: Open Source, Python, Self-Hosted
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The framework and observability platform most teams use to build, debug, and ship LLM agents.
Also: Open Source, Python, RAG
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Turn any website into clean markdown or structured JSON — crawling, JavaScript rendering, and extraction in one API.
Also: Open Source, RAG, Self-Hosted
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A self-hosted, feature-rich chat interface that puts a polished front end on Ollama and any OpenAI-compatible API.
Also: Open Source, RAG, Self-Hosted
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Multi-agent workspace where teams hire reusable "digital employees" — an orchestrator runs specialists in parallel and returns finished decks, dashboards, reports and Excel files.
Also: Agents, Open Source, Self-Hosted
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An Apache-2.0 TypeScript framework for building AI agents — workflows, memory, RAG and evals — with a local studio and an agentic software factory on top.
Also: Agents, Open Source, RAG
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Open-source newsletter platform that bills for emails sent, not dormant subscribers, with an MCP server so AI agents can run it.
Also: MCP, Open Source, Self-Hosted
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Open-source CRM you can self-host or run in the cloud, with custom objects, workflows, a TypeScript apps framework and an MCP server for AI assistants.
Also: MCP, Open Source, Self-Hosted
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Document parsing and retrieval built for agents — turn messy PDFs into structured, queryable context.
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The multi-agent framework where agents have roles and collaborate as a crew — plus a platform to run them in production.
Also: Open Source, Python
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Abhishek Iyer
A local, keyboard-driven diff viewer built for the huge changes coding agents produce - and it remembers what you have already seen.
Also: Open Source, Python
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Open-source LLM observability — trace, evaluate, and improve AI applications with production data.
Also: Open Source, Python
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AI agent platform where a coordinator called Otto runs AI "Experts" and scheduled workflows, available in the cloud or self-hosted.
Also: Agents, Self-Hosted
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Retool
Retool's AI layer: generate internal apps from prompts on live company data, plus AI workflows and hourly-billed agents with enterprise controls.
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You.com sells web search, content extraction, answer and research APIs for AI agents; its consumer chat closed to new users in 2026.
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OpenClaw Foundation
Open-source personal AI assistant that runs on your own machine and answers from WhatsApp, Telegram, Slack, iMessage and 25 other chat apps.
Also: Open Source, Self-Hosted
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Cloudflare
Open-source AI workspace you deploy into your own Cloudflare account: agent chat wired to company context, sandboxed app building, and policy guardrails.
Also: Open Source, Self-Hosted