9 open source AI orchestration tools. All have a free plan. Half of the paid plans start at $39 a month or less. Newest check: 8 Nov 2026.
268 of 721 tools were checked against the vendor's own page in the last 30 days.
| Tool | Price from | Free plan | Runs on | Checked |
|---|---|---|---|---|
| InngestInngest runs event-driven background jobs and AI workflows with no queue or worker fleet to manage. A Free plan that needs no credit card covers development and small production apps. | $99/mo | Yes | Web | 29 Sep |
| Trigger.devOpen-source TypeScript platform for durable background jobs and AI agents. Checkpoint-resume execution survives crashes and redeploys, auto-retries, real-time traces. Free tier available. | $10/mo | Yes | Web | 22 Sep |
| DBOSOpen-source durable execution library that keeps workflow state in Postgres, with SDKs for five language families and a paid Conductor console. | $99/mo | Yes | Web | 8 Nov |
| LangGraphMIT-licensed Python framework for stateful, multi-step AI agents built as graphs, with human-in-the-loop approvals. Library is free; hosted option is paid. | $39/mo | Yes | -- | 30 Oct |
| CrewAIOpen-source Python framework for multi-agent AI, MIT-licensed with about 59.6K GitHub stars, plus the CrewAI AMP platform for building and governing agents. | -- | Yes | Web | 13 Oct |
| LangChainObserve, evaluate, and deploy reliable AI agents | $39/mo | Yes | Web · Mac · Windows | 29 Sep |
| LlamaIndexThe world's most accurate agentic OCR and document-specific AI workflows for enterprise automation | Free | Yes | Web | 19 Aug |
| MastraOpen-source TypeScript framework for building AI agents and workflows, routing to 90+ model providers through one interface. | $250/mo | Yes | Web · Mac · Windows | 19 Aug |
| n8nAI workflow automation platform for technical teams | -- | Yes | Web | 26 Aug |
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