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/mo billed annually.
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 business processes and orchestrate tasks in Open Source.
8 agents indexed· Updated July 2026
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/mo billed annually.
Mastra (ex-Gatsby team)
Open-source TypeScript AI agent framework by the Gatsby team. v1.0 January 2026. YC W25, $13M funded, 25,500+ GitHub stars. Used by Replit, SoftBank, Factorial. Framework free; Cloud from $250/mo.
Nous Research
Open-source autonomous AI agent by Nous Research with a self-improving learning loop. Runs on your server or desktop app, remembers what it learns. 209.8k GitHub stars.
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.
Sampark Inc
AI tool-calling platform connecting 1,000+ integrations to AI agents via MCP Gateway and function calling, with usage-based pricing starting free at 20,000 tool calls per month.
Topoteretes
Open-source AI memory platform for agents using hybrid graph and vector architecture. ECL pipeline. $7.5M seed, 24,900+ GitHub stars. Free self-hosted; Cloud from $5/workspace/mo.
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 EUR 20/mo.
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.
Based on our index, the top AI workflow agents for Open Source are Botpress, Mastra, Hermes Agent. These are ranked by rating and capability depth across 8 indexed agents.
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.
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.