Open-source alternatives to Zapier Agents

Zapier Agents in the AI category. These are the open alternatives we recommend looking at.

Sim

Web workspace where teams build, deploy and monitor AI agents and workflows visually.

Apache-2.0PermissiveOpen core

SaaS: YesClosed product: Yes

GitHub stars: 29.8k
Deployment: Docker

AutoGPT

Platform for building and running autonomous AI agents that carry out multi-step tasks.

LicenseRef-PolyForm-Shield-1.0.0Source-available (not OSI)

SaaS: NoClosed product: No

GitHub stars: 188k
Deployment: Docker

LangChain

Framework for developers building apps and agents on top of language models, with ready-made integrations for models, tools and data sources.

MITPermissive

SaaS: YesClosed product: Yes

GitHub stars: 147k
Deployment: Library

AutoGen

Programming framework from Microsoft for building AI agents that work together with each other and with people.

MITPermissive

SaaS: YesClosed product: Yes

GitHub stars: 61.2k
Deployment: Library

CrewAI

Python framework for letting several AI agents with different roles work together on a task.

MITPermissive

SaaS: YesClosed product: Yes

GitHub stars: 59.3k
Deployment: Library

LangGraph

Library for building agents as graphs of steps, with persisted state, interruptions and human approval.

MITPermissive

SaaS: YesClosed product: Yes

GitHub stars: 42.7k
Deployment: Library

Agno

Python framework and runtime for building, running and monitoring AI agents and multi-agent systems.

Apache-2.0Permissive

SaaS: YesClosed product: Yes

GitHub stars: 42.5k
Deployment: Library

OpenAI Agents SDK

Lightweight Python framework from OpenAI for multi-agent workflows, hand-offs between agents and tracing.

MITPermissive

SaaS: YesClosed product: Yes

GitHub stars: 29.8k
Deployment: Library

smolagents

Small Python library from Hugging Face for agents that solve tasks by writing and running code.

Apache-2.0Permissive

SaaS: YesClosed product: Yes

GitHub stars: 29.7k
Deployment: Library

Mastra

TypeScript framework for building AI agents, workflows and RAG.

Apache-2.0PermissiveOpen core

SaaS: YesClosed product: Yes

GitHub stars: 28.5k
Deployment: Library

Letta

Platform for AI agents with long-term memory that keep their state between conversations.

Apache-2.0Permissive

SaaS: YesClosed product: Yes

GitHub stars: 25k
Deployment: Docker

VoltAgent

TypeScript framework for AI agents with tools, memory and workflows, plus a console for following runs.

MITPermissive

SaaS: YesClosed product: Yes

GitHub stars: 10.7k
Deployment: Library

This is guidance, not legal advice (inte juridisk rådgivning). Check with a lawyer before deciding.

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