Best Open Source Alternatives to Constructor.io

Compare the best free and open-source alternatives to Constructor.io — 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

Constructor.io

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Constructor.io alternatives compared

Open-source alternatives to Constructor.io, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Meilisearch	58,817	MIT	LinuxmacOSWindowsDocker	Yes	Aug 2026	Visit
Typesense	26,387	GPL-3.0	LinuxmacOSWindowsDocker	Yes	Jul 2026	Visit
OpenSearch	13,430	Apache-2.0	LinuxDocker	Yes	Jul 2026	Visit