What are the best Firebase Alternative repositories on GitHub?

The top-ranked Firebase Alternative open source repositories include authgear/authgear-server, tracked and evaluated by community adoption, stars, and code commits.

How do I find trending Firebase Alternative open source tools?

Browse this curated Firebase Alternative directory to monitor real-time GitHub star velocity, latest code releases, and rising developer tools updated daily.

Are Firebase Alternative GitHub repositories free and open source?

Most Firebase Alternative projects listed here are distributed under open source licenses (such as MIT, Apache 2.0, or GPL). Always check individual project repositories for exact license terms.

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Firebase Alternative GitHub Repositories (2026) · Open Source Tools

Discover the best Firebase Alternative open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.

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1 matching projects · updated Nov 10, 2026 How we rank ↗

#1 TRENDING authgear/authgear-server Go 2020

Open source Auth0/Keycloak alternative. Passkeys, SSO, MFA, passwordless, biometric login. Self-hosted or cloud. Enterprise-ready for SaaS & mobile apps

◇ 2fa ◇ auth0 ◇ authentication ◇ biometric

130 ↑ +1 today

2.1K

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Firebase Alternative GitHub Repositories (2026) · Open Source Tools

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