Best Open Source Alternatives to Supabase

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

Curated by open-source.store · Updated November 2026 · 10 alternatives

Supabase

Proprietary SaaS

Supabase alternatives compared

Open-source alternatives to Supabase, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Turso	17,307	MIT	Web	No	Oct 2026	Visit
Convex	12,773	—	DockerLinux	Yes	Nov 2026	Visit
Encore	12,685	MPL-2.0	Web	No	Nov 2026	Visit
Instant	10,563	Apache-2.0	Web	No	Oct 2026	Visit
HelixDB	6,266	Apache-2.0		No	Nov 2026	Visit
Bknd	3,780	Apache-2.0	Web	No	Oct 2026	Visit
SlateDB	3,609	Apache-2.0	Web	No	Nov 2026	Visit
Hydra	3,044	Apache-2.0	Web	No	Feb 2025	Visit
Nitric	2,019	Apache-2.0	Web	No	Oct 2026	Visit
Juno	422	MIT	Web	No	Nov 2026	Visit

Top open-source Supabase alternatives

Turso17,307MIT

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

Web

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

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Convex12,773

Convex is an open-source reactive database and backend runtime replacing Supabase with end-to-end TypeScript functions and live WebSocket queries.

DockerLinux

vs Supabase: a free, open-source option you fully control.

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Encore12,685MPL-2.0

Encore replaces hosted BaaS platforms like Supabase by generating AWS and GCP backend infrastructure directly from Go and TypeScript code.

Web

vs Supabase: a free, open-source option you fully control, licensed MPL-2.0.

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

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HelixDB6,266Apache-2.0

HelixDB is an open-source graph-vector database in Rust that unifies vector search and graph traversals to replace fragmented multi-database AI stacks.

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

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Best Open Source Alternatives to Supabase

Supabase

Supabase alternatives compared

Top open-source Supabase alternatives

The modern standard for Protobuf workflows

Mentoring for backend developers. Consulting for startups.

More alternatives to Supabase

Bknd

SlateDB

Hydra

Nitric

Juno