Best Open Source Alternatives to Zapier

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

Curated by open-source.store · Updated August 2026 · 6 alternatives

Zapier

Proprietary SaaS

PricingFreemium

Platformsweb, mobile, ios, android

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Zapier alternatives compared

Open-source alternatives to Zapier, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Huginn	49,734	MIT	LinuxDocker	Yes	Aug 2026	Visit
Activepieces	23,542	MIT	WebDockerLinuxmacOS	Yes	Aug 2026	Visit
Node-RED	23,476	Apache-2.0	WebLinuxmacOSWindows	Yes	Aug 2026	Visit
Trigger.dev	15,838	Apache-2.0	DockerWebLinuxmacOS	Yes	Aug 2026	Visit
Automatisch	13,923	AGPL-3.0	DockerLinuxmacOSWindows	Yes	Feb 2026	Visit
Project Flogo	0	BSD-3-Clause	LinuxmacOSWindowsDocker	Yes	—	Visit