Directory

All Open Source Apps

Every app scored on repo health, technical quality, and dependency risk — before you install anything.

746 apps
Updated continuously
Python
58%
Other

Sentry

Analytics · Developer Tools · Monitoring

44,778

Developer-first error tracking and performance monitoring platform with AI-powered root-cause analysis across 20+ languages and frameworks.

View details
95
Repo Health
80
Technical
69
Dependency
Built with
Python 58%
TypeScript 41%
Updated 1 weeks ago
Go
75%
AGPL 3.0

Teleport

Authentication · Security

20,917

Zero-trust infrastructure access platform that replaces credentials and VPNs with short-lived certificates, SSO, and identity-aware proxies for SSH, Kubernetes, databases, RDP, and AI agents.

View details
94
Repo Health
81
Technical
68
Dependency
Built with
Go 75%
TypeScript 16%
Updated 2 weeks ago
Go
98%
Apache 2.0

Caddy

Devops · Security

75,738

The only web server that obtains and renews TLS certificates automatically, with HTTP/1-2-3 support and zero dependency on external runtimes.

View details
93
Repo Health
86
Technical
75
Dependency
Built with
Go 98%
Updated 1 weeks ago
Go
93%
MIT

Traefik

Automation · Devops · Security

64,841

A cloud-native reverse proxy and load balancer that auto-configures itself from Docker, Kubernetes, and other orchestrators — zero manual routing required.

View details
93
Repo Health
85
Technical
64
Dependency
Built with
Go 93%
Updated 1 weeks ago
Python
55%
Other

authentik

Authentication · Security

25,511

The self-hosted Identity Provider that replaces Okta, Auth0, and Entra ID with a unified SSO platform supporting SAML, OAuth2/OIDC, LDAP, RADIUS, and WebAuthn.

View details
92
Repo Health
81
Technical
66
Dependency
Built with
Python 55%
TypeScript 35%
Updated 1 weeks ago
Go
95%
Other

NetBird

Security

29,204

Replace your VPN with a zero-trust WireGuard overlay network that auto-connects devices, enforces SSO and posture checks, and deploys in under 5 minutes.

View details
92
Repo Health
82
Technical
66
Dependency
Built with
Go 95%
Updated 1 weeks ago
Go
96%
Other

Netmaker

Automation · Security

11,783

Automate secure WireGuard mesh networks from homelab to enterprise scale without manual configuration.

View details
92
Repo Health
79
Technical
70
Dependency
Built with
Go 96%
Updated 1 weeks ago
Go
82%
Apache 2.0

Authelia

Authentication · Security

28,964

OpenID Certified SSO and MFA portal for securing self-hosted web applications behind reverse proxies.

View details
91
Repo Health
81
Technical
76
Dependency
Built with
Go 82%
TypeScript 16%
Updated 1 weeks ago
Java
97%
Other

SuperTokens

Authentication · Security

15,299

Open-source authentication platform you self-host, giving you complete control over user data with zero vendor lock-in.

View details
91
Repo Health
76
Technical
72
Dependency
Built with
Java 97%
Updated 1 weeks ago
Go
100%
Apache 2.0

SpiceDB

Authentication · Databases · Security

7,054

An open source, Google Zanzibar-inspired authorization database that models permissions as relationships and evaluates fine-grained access checks at massive scale with single-digit millisecond latency.

View details
90
Repo Health
89
Technical
67
Dependency
Built with
Go 100%
Updated 1 weeks ago
Go
65%
Other

Hanko

Authentication · Security

9,025

Open source, self-hostable authentication platform with passkeys, SAML SSO, and OAuth — the privacy-first alternative to Auth0 and Clerk.

View details
89
Repo Health
81
Technical
66
Dependency
Built with
Go 65%
TypeScript 30%
Updated 1 weeks ago
Python
70%
AGPL 3.0

Tracecat

AI Agents · Automation · Security

3,802

Open-source agentic security automation platform that runs AI agents and durable workflows at scale with sandboxed execution.

View details
89
Repo Health
88
Technical
66
Dependency
Built with
Python 70%
TypeScript 28%
Updated 1 weeks ago
Python
45%
MIT

Maltrail

Monitoring · Security

8,602

Detect malicious network traffic using 47+ live threat feeds, heuristics, and a fat-client reporting dashboard — no commercial stack required.

View details
87
Repo Health
59
Technical
100
Dependency
Built with
Python 45%
Rust 39%
Updated 1 weeks ago
Go
63%
Apache 2.0

OSV.dev

Security

2,924

Google's open-source vulnerability database that maps CVEs to exact package versions across 50+ ecosystems with a public API and data dumps.

View details
87
Repo Health
82
Technical
69
Dependency
Built with
Go 63%
Python 25%
Updated 1 weeks ago
Go
62%
MIT

hoop

Monitoring · Security

810

A wire-protocol gateway that enforces data masking, command blocking, approval workflows, and full session recording for engineers and AI agents accessing production infrastructure.

View details
86
Repo Health
80
Technical
64
Dependency
Built with
Go 62%
Clojure 19%
JavaScript 11%
Updated 1 weeks ago
Python
38%
Apache 2.0

OpenSandbox

Developer Tools · Security

15,290

Secure, fast, and extensible sandbox runtime for AI agents with multi-language SDKs and Docker/Kubernetes runtimes.

View details
85
Repo Health
81
Technical
72
Dependency
Built with
Python 38%
Go 37%
Updated 1 weeks ago
Go
49%
Other

Cosmos-Server

Authentication · Security

6,156

All-in-one self-hosted home server with SmartShield anti-DDoS, Nebula mesh VPN, automatic HTTPS, and a 250-app marketplace — all secured behind a unified auth layer.

View details
84
Repo Health
59
Technical
64
Dependency
Built with
Go 49%
JavaScript 48%
Updated 2 weeks ago
Go
33%
Apache 2.0

CubeSandbox

AI Agents · Developer Tools · Security

12,344

Instant, concurrent, hardware-isolated MicroVM sandboxes for AI agents — E2B-API compatible, sub-60ms cold starts, and a built-in zero-trust egress proxy, all self-hostable at scale.

View details
83
Repo Health
88
Technical
63
Dependency
Built with
Go 33%
Rust 26%
C 23%
Updated 1 weeks ago
Python
79%
MIT

CertMate

Devops · Security

1,426

Automate SSL certificate lifecycle across any CA, 24+ DNS providers, and every major secret store — with a REST API, web dashboard, and built-in MCP server for AI-driven ops.

View details
81
Repo Health
84
Technical
71
Dependency
Built with
Python 79%
Updated 2 weeks ago
Go
43%
GPL 3.0

SafeLine

Security

22,591

Self-hosted WAF with a custom semantic detection engine and ML-powered threat analysis that blocks web attacks without cloud dependency.

View details
79
Repo Health
72
Technical
68
Dependency
Built with
Go 43%
C++ 22%
Raku 12%
Updated 2 weeks ago
Go
83%
Other

PrivateCaptcha

Authentication · Security

194

Privacy-first, self-hostable Proof-of-Work CAPTCHA for GDPR-compliant bot protection.

View details
74
Repo Health
78
Technical
74
Dependency
Built with
Go 83%
HTML 12%
Updated 1 weeks ago
Go
90%
Apache 2.0

Warrant

Authentication · Security

1,334

A Google Zanzibar-inspired authorization service for defining, checking, and auditing fine-grained access control across your applications.

View details
45
Repo Health
73
Technical
72
Dependency
Built with
Go 90%
Updated 9 months ago
JavaScript
100%
AGPL 3.0

Social Analyzer

Security

24,036

Find and analyze a person's digital footprint across 1000+ social media platforms using multi-layer detection, OCR, and metadata extraction.

View details
42
Repo Health
52
Technical
68
Dependency
Built with
JavaScript 100%
Updated 8 months ago

Join founders buildingwith open source

Opinionated takes, migration guides, cost-saving tips, and insights from the open source ecosystem.

Subscribe on Substack
Join 750+ subscribers