Hermes Agent
Nous Research
Open-source autonomous AI agent by Nous Research with a self-improving learning loop. Runs on your own server, remembers what it learns, and supports 20+ messaging platforms.
autonomousworkflow-builderscheduling
Best AI Workflow Agents for Open Source (2026)
We track and rank the best ai workflow agents built for Open Source businesses. Every agent below is evaluated on pricing, deployment complexity, integrations, and capability depth — so you can choose the right tool to automate workflows in Open Source.
8 agents indexed· Updated June 2026
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Composio
Sampark Inc
AI tool-calling platform connecting 250+ integrations to AI agents via MCP Gateway and function calling, with usage-based pricing starting free at 20,000 tool calls per month.
autonomousworkflow-builderno-code
3
Mastra
Mastra (ex-Gatsby team)
Open-source TypeScript AI agent framework by the Gatsby team. v1.0 January 2026. YC W25, $13M funded, 24.6k+ GitHub stars. Used by Replit, SoftBank, Factorial. Framework free; Cloud from $250/mo.
agentic-codingworkflow-buildermulti-file-editing
4
Cognee
Topoteretes
Open-source AI memory engine for agents using hybrid graph and vector architecture. ECL pipeline. $7.5M seed, 17.6k+ GitHub stars. Free self-hosted; Developer $35/mo, Team $200/mo.
deep-researchdata-analysisautonomous
5
Browser Use
Browser Use
Open-source Python library for AI browser automation using LLMs and computer vision. Free tier with 10 tasks/month, cloud from $29/month. MCP server included. 95,000+ GitHub stars.
web-searchdata-analysisautonomous
6
n8n
n8n GmbH
Open-source workflow automation platform with 400+ integrations, 70+ AI agent nodes, and MCP support. Visual editor plus inline code. Self-hosted free; cloud from €20/mo.
workflow-builderno-codeopen-source
7
Botpress
Botpress
Open-source conversational AI platform for developers and product teams. Visual flow design, multi-LLM support, and self-hosting under MIT license. Free plan; Plus from $150 per month.
workflow-builderconversation-intelligencemultilingual
8
ContextPool
syv-labs
Persistent memory layer for AI coding agents that eliminates the blank-slate problem. Cursor, Claude Code, Windsurf, and Kiro sessions inherit context from previous sessions via MCP. Free local; Pro $7.99/mo.
agentic-codingautonomousgit-native
Frequently asked questions
What are the best ai workflow agents for Open Source?
Based on our index, the top ai workflow agents for Open Source are Hermes Agent, Composio, Mastra. These are ranked by rating and capability depth across 8 indexed agents.
How do I choose an AI agent for Open Source?
When evaluating ai workflow agents for Open Source, consider pricing model (free vs subscription vs usage-based), deployment difficulty, integrations with your existing stack, and whether the agent specialises in Open Source workflows. Every agent on this page includes structured data on all of these dimensions.
Are there free AI agents for Open Source?
Yes — several ai workflow agents offer free or freemium plans. Use the filter pills above to narrow by pricing, or browse the full AI Workflow Agents index.