Best Open Source Alternatives to PlanetScale

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

Curated by open-source.store · Updated November 2026 · 8 alternatives

PlanetScale

Proprietary SaaS

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PlanetScale alternatives compared

Open-source alternatives to PlanetScale, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
TiDB	40,701	Apache-2.0	LinuxDocker	Yes	Nov 2026	Visit
CockroachDB	32,603	BSL-1.0	LinuxDocker	Yes	Oct 2026	Visit
Turso	17,307	MIT	Web	No	Oct 2026	Visit
Instant	10,563	Apache-2.0	Web	No	Oct 2026	Visit
OceanBase	10,365	Apache-2.0	Web	No	Oct 2026	Visit
CrateDB	4,450	Apache-2.0	Web	No	Nov 2026	Visit
SlateDB	3,609	Apache-2.0	Web	No	Nov 2026	Visit
Hydra	3,044	Apache-2.0	Web	No	Feb 2025	Visit

Top open-source PlanetScale alternatives

TiDB40,701Apache-2.0

TiDB is a distributed MySQL-compatible database that replaces sharded clusters with native horizontal scaling and real-time columnar HTAP analytics.

LinuxDocker

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

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CockroachDB32,603BSL-1.0

CockroachDB replaces proprietary distributed databases like Cloud Spanner with a self-hosted, PostgreSQL-compatible engine built for high availability.

LinuxDocker

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

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Turso17,307MIT

Turso provides edge-replicated SQLite databases that replace centralized cloud databases like PlanetScale with sub-millisecond local reads.

Web

vs PlanetScale: a free, open-source option you fully control, licensed MIT.

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Instant10,563Apache-2.0

Instant is an open-source Firebase alternative delivering real-time relational queries, optimistic UI updates, and data control on self-hosted PostgreSQL.

Web

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

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