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Agent Frameworks

Build agents, don't reinvent the loop.

9 tools·9 with free plan

Top picks

01

CrewAI is an open-source framework for orchestrating multi-agent AI workflows, offering both a visual no-code editor and CLI for developers

A developer framework for orchestrating multi-agent workflows — powerful for builders, but it's a toolkit, not a no-code product.
freemium·$25/mo
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02

Flowise is an open-source visual builder for creating LLM applications and AI agents using a drag-and-drop interface

freemium·$35/mo
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03

Langflow is an open-source, low-code visual builder for creating AI agents, RAG applications, and MCP servers

freemium·$5/mo
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All Agent Frameworks

LangGraph logo

Graph-based orchestration for stateful, controllable LLM agents.

#agents#orchestration#llm-framework#open-source
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AutoGen logo

Microsoft's multi-agent conversation framework (now in maintenance mode).

#agents#multi-agent#open-source#microsoft
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Semantic Kernel logo

Microsoft's enterprise SDK for orchestrating LLMs, plugins, and agents.

#llm-framework#agents#open-source#microsoft
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Haystack logo

deepset's composable open-source framework for RAG and agent pipelines.

#rag#llm-framework#open-source#search
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Mastra logo

The TypeScript framework for building AI agents and workflows.

#agents#typescript#open-source#workflow
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Letta logo

Stateful AI agents with long-term memory (formerly MemGPT).

#agents#memory#open-source#stateful-agents
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Frequently asked questions

What's the best agent frameworks tool?
CrewAI currently leads in community votes. A developer framework for orchestrating multi-agent workflows — powerful for builders, but it's a toolkit, not a no-code product.
Are there free options?
9 tools in this category offer a free plan.
How do you rank these tools?
Tools are ranked by a combination of community upvotes, editorial review, and feature breadth. Our editors review pricing and capabilities quarterly.
Can I suggest a tool we're missing?
Yes — submit it here. Our team reviews submissions weekly.