Best Open Source Alternatives to Amazon Alexa

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

Curated by open-source.store · Updated August 2026 · 3 alternatives

Amazon Alexa

Proprietary SaaS

PricingFree

Platformsmobile, android, ios

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Amazon Alexa alternatives compared

Open-source alternatives to Amazon Alexa, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Home Assistant	89,624	Apache-2.0	LinuxmacOSWindowsDocker	Yes	Aug 2026	Visit
Domoticz	3,788	GPL-3.0	LinuxmacOSWindowsandroid	Yes	Jul 2026	Visit
openHAB	1,134	EPL-2.0	LinuxmacOSWindowsDocker	Yes	Aug 2026	Visit

Top open-source Amazon Alexa alternatives

Home Assistant89,624Apache-2.0

Open source home automation that puts local control and privacy first.

LinuxmacOSWindowsDockerandroid

vs Amazon Alexa: a free, open-source option you fully control, licensed Apache-2.0.

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Domoticz3,788GPL-3.0

Lightweight home automation system that lets you monitor and configure various devices.

LinuxmacOSWindowsandroidios

vs Amazon Alexa: a free, open-source option you fully control, licensed GPL-3.0.

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openHAB1,134EPL-2.0

Vendor and technology agnostic open source smart home software.

LinuxmacOSWindowsDockerandroid

vs Amazon Alexa: a free, open-source option you fully control, licensed EPL-2.0.

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