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Top 10 Auth & Security
open source projects

These are the 10 most popular open source Auth & Security projects on GitHub right now, ranked by stars. Each entry is license-monitored — you'll know first if any of them relicense to BSL/SSPL or get archived.

Combined: 358,437 stars · refreshed nightly

// AUTH & SECURITY№ 001
Joplin

Joplin

★ FEATUREDTYPESCRIPT

A free, cross-platform note-taking and to-do application with end-to-end encryption for seamless organization and productivity.

★ STARS

54.7k

⑂ FORKS

6.1k

OPEN PROJECT
// AUTH & SECURITY№ 002
Hyperswitch

Hyperswitch

★ FEATUREDRUST

A unified payment infrastructure that connects multiple payment processors through a single API integration, enabling global payment processing

★ STARS

42.6k

⑂ FORKS

4.6k

OPEN PROJECT
// AUTH & SECURITY№ 003
Spacedrive

Spacedrive

★ FEATUREDRUST

A cross-platform file manager that unifies your devices into a seamless, organized digital workspace.

★ STARS

38.0k

⑂ FORKS

1.3k

OPEN PROJECT
// AUTH & SECURITY№ 004
Vault

Vault

GO

A tool for secrets management, encryption as a service, and privileged access management

★ STARS

35.6k

⑂ FORKS

4.7k

OPEN PROJECT
// AUTH & SECURITY№ 005
Nextcloud

Nextcloud

★ FEATUREDPHP

Nextcloud offers on-premises file sync, sharing and collaboration platform with advanced security and privacy features.

★ STARS

34.8k

⑂ FORKS

4.8k

OPEN PROJECT
// AUTH & SECURITY№ 006
Keycloak

Keycloak

JAVA

Open Source Identity and Access Management For Modern Applications and Services

★ STARS

34.3k

⑂ FORKS

8.3k

OPEN PROJECT
// AUTH & SECURITY№ 007
Tailscale

Tailscale

★ FEATUREDGO

Deploy a modern WireGuard-based VPN with zero configuration. Connect devices securely across clouds, VPCs, and on-premises networks without firewall rules.

★ STARS

31.3k

⑂ FORKS

2.5k

OPEN PROJECT
// AUTH & SECURITY№ 008
Ntfy

Ntfy

★ FEATUREDGO

A lightweight, open-source solution for sending real-time notifications to your devices, with end-to-end encryption and no sign-up required.

★ STARS

30.1k

⑂ FORKS

1.3k

OPEN PROJECT
// AUTH & SECURITY№ 009
Signal

Signal

KOTLIN

Secure messaging app with state-of-the-art encryption, voice/video calls, group chats, and file sharing. No ads, trackers, or data collection.

★ STARS

28.8k

⑂ FORKS

6.7k

OPEN PROJECT
// AUTH & SECURITY№ 010
ProjectDiscovery

ProjectDiscovery

GO

Monitor infrastructure for exploitable vulnerabilities with real-time detection, automated workflows, and zero false positives.

★ STARS

28.3k

⑂ FORKS

3.4k

OPEN PROJECT

// FREQUENTLY ASKED

What is the best open source Auth & Security project?

Joplin is the most popular with 54,715 GitHub stars. A free, cross-platform note-taking and to-do application with end-to-end encryption for seamless organization and productivity.

What are the top 10 open source Auth & Security projects?

1. Joplin · 2. Hyperswitch · 3. Spacedrive · 4. Vault · 5. Nextcloud · 6. Keycloak · 7. Tailscale · 8. Ntfy · 9. Signal · 10. ProjectDiscovery

How are these ranked?

Pure GitHub star count, refreshed nightly. We don't accept payments to rank projects higher.