Best Open Source Alternatives to Boomi

Compare the best free and open-source alternatives to Boomi — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated November 2026 · 2 alternatives

Boomi

Proprietary SaaS

PricingPaid

Platformsweb

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Boomi alternatives compared

Open-source alternatives to Boomi, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Activepieces	25,358	MIT	WebDockerLinuxmacOS	Yes	Nov 2026	Visit
Project Flogo	2,488	BSD-3-Clause	LinuxmacOSWindowsDocker	Yes	Apr 2024	Visit

Top open-source Boomi alternatives

Activepieces25,358MIT

Self-hosted Zapier alternative with a visual drag-and-drop builder, prebuilt app pieces, and MIT-licensed core workflow automation.

WebDockerLinuxmacOSWindows

vs Boomi: a free, open-source option you fully control, licensed MIT.

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Project Flogo2,488BSD-3-Clause

Open-source event-driven integration engine that compiles workflows into lightweight Go binaries for edge devices, containers, and serverless runtimes.

LinuxmacOSWindowsDocker

vs Boomi: a free, open-source option you fully control, licensed BSD-3-Clause.

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Best Open Source Alternatives to Boomi

Boomi

Boomi alternatives compared

Top open-source Boomi alternatives

The modern standard for Protobuf workflows

Mentoring for backend developers. Consulting for startups.