Best Open Source Alternatives to Copy.ai Chat

Compare the best free and open-source alternatives to Copy.ai Chat — 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

Copy.ai Chat

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Copy.ai Chat alternatives compared

Open-source alternatives to Copy.ai Chat, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Open WebUI	147,557	MIT	LinuxDocker	Yes	Aug 2026	Visit
LocalAI Client	48,102	MIT	DockerLinuxmacOSWindows	Yes	Aug 2026	Visit
LibreChat	41,528	MIT	LinuxDockerWeb	Yes	Aug 2026	Visit