Best Open Source Alternatives to FaunaDB

Compare the best free and open-source alternatives to FaunaDB — 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

FaunaDB

Proprietary SaaS

PricingFreemium

Platformsweb

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FaunaDB alternatives compared

Open-source alternatives to FaunaDB, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
TiDB	40,372	Apache-2.0	LinuxDocker	Yes	Aug 2026	Visit
CockroachDB	32,342	BSL-1.0	LinuxDocker	Yes	Jul 2026	Visit
FerretDB	11,026	Apache-2.0	LinuxDocker	Yes	Jun 2026	Visit

Top open-source FaunaDB alternatives

TiDB40,372Apache-2.0

Distributed HTAP database compatible with MySQL protocol.

LinuxDocker

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

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CockroachDB32,342BSL-1.0

Distributed SQL database designed for resilience.

LinuxDocker

vs FaunaDB: a free, open-source option you fully control, licensed BSL-1.0.

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FerretDB11,026Apache-2.0

Open-source MongoDB alternative built on PostgreSQL.

LinuxDocker

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

Visit Details