Open Source Alternatives to Flow
4 open source Workflow Automation options similar to Flow, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.
Nango40API PlatformUnknown, UnknownNango is an open-source platform for product integrations that provides a unified API for connecting to over 500 services and supports tool-calling for AI agents.
Open source · Self-hostable
Airbyte70Data IntegrationSan Francisco, United States$181.0MAn open-source data integration platform for ELT, reverse-ETL, and AI agents.
Open source · Self-hostable
Redpanda61Streaming Data PlatformNew York, United States$260.0MA streaming data platform designed for real-time applications and data pipelines.
Open source · Self-hostable
WSO254Artificial IntelligencePalo Alto, USA$63.0MAn open-source technology provider offering an open control plane for AI agents.
Open source · Self-hostable
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| NangoNango is an open-source platform for product integrations that provides a unified API for connecting to over 500 services and supports tool-calling for AI agents. | API Platform | Open source · Self-hostable | Unknown, Unknown | — | 40 | |
| AirbyteAn open-source data integration platform for ELT, reverse-ETL, and AI agents. | Data Integration | Open source · Self-hostable | San Francisco, United States | $181.0M | 70 | |
| RedpandaA streaming data platform designed for real-time applications and data pipelines. | Streaming Data Platform | Open source · Self-hostable | New York, United States | $260.0M | 61 | |
| WSO2An open-source technology provider offering an open control plane for AI agents. | Artificial Intelligence | Open source · Self-hostable | Palo Alto, USA | $63.0M | 54 |