Directory

All Open Source Apps

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

748 apps
Updated continuously
Java
100%
Apache 2.0

CrateDB

Analytics · Databases

4,441

Distributed SQL database for real-time analytics at scale

View details
96
Repo Health
76
Technical
79
Dependency
Built with
Java 100%
Updated 4 days ago
Python
57%
Other

Sentry

Analytics · Developer Tools · Monitoring

44,862

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 57%
TypeScript 41%
Updated 3 days ago
Java
70%
GPL 3.0

DataEase

AI Assistants · Analytics · Data Engineering

24,558

Open-source BI tool with drag-and-drop dashboards, 20+ data source connectors, and AI-powered natural language queries — a self-hosted alternative to Tableau.

View details
94
Repo Health
71
Technical
65
Dependency
Built with
Java 70%
Vue 29%
Updated 3 days ago
Go
75%
AGPL 3.0

Teleport

Authentication · Security

20,950

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
93
Repo Health
81
Technical
68
Dependency
Built with
Go 75%
TypeScript 16%
Updated 2 weeks ago
Go
93%
MIT

Traefik

Automation · Devops · Security

64,985

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 3 days ago
Python
55%
Other

authentik

Authentication · Security

25,758

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 36%
Updated 3 days ago
Go
98%
Apache 2.0

Caddy

Devops · Security

76,128

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
92
Repo Health
86
Technical
75
Dependency
Built with
Go 98%
Updated 5 days ago
Go
96%
Other

Netmaker

Automation · Security

11,803

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 3 days ago
Ruby
62%
MIT

OnetimeSecret

Security

2,947

Generate self-destructing single-use links to share passwords and sensitive data without leaving traces in inboxes or chat logs.

View details
92
Repo Health
81
Technical
72
Dependency
Built with
Ruby 62%
TypeScript 25%
Updated 3 days ago
Python
55%
Other

PostHog

Ab Testing Experimentation · Analytics · Developer Tools

39,975

The all-in-one open source product platform combining analytics, session replay, feature flags, error tracking, AI observability, and a built-in data warehouse in a single self-hostable stack.

View details
92
Repo Health
80
Technical
65
Dependency
Built with
Python 55%
TypeScript 36%
Updated 3 days ago
Python
46%
Other

Redash

Analytics · Data Engineering

28,817

Redash lets anyone connect to 35+ SQL and NoSQL data sources, write a query in the browser, and turn the result into a shared dashboard — no separate BI suite required.

View details
92
Repo Health
74
Technical
60
Dependency
Built with
Python 46%
JavaScript 30%
TypeScript 17%
Updated 3 days ago
Go
83%
Apache 2.0

Authelia

Authentication · Security

29,110

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

View details
91
Repo Health
81
Technical
75
Dependency
Built with
Go 83%
TypeScript 15%
Updated 4 days ago
Go
95%
Other

NetBird

Security

29,568

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
91
Repo Health
82
Technical
66
Dependency
Built with
Go 95%
Updated 5 days ago
Java
93%
Apache 2.0

QuestDB

Analytics · Databases

17,360

A high-performance, open-source time-series database built for financial market data, IoT telemetry, and real-time analytics, combining a zero-GC Java/C++ core with SIMD-accelerated SQL and a WAL-to-Parquet storage engine.

View details
91
Repo Health
86
Technical
67
Dependency
Built with
Java 93%
Updated 3 days ago
Python
49%
Other

Arize Phoenix

Analytics · Devops · Monitoring

11,641

Open-source AI observability platform for tracing, evaluating, and debugging LLM applications with built-in intelligence and MCP support.

View details
90
Repo Health
88
Technical
67
Dependency
Built with
Python 49%
TypeScript 42%
Updated 3 days ago
Java
97%
Other

SuperTokens

Authentication · Security

15,323

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

View details
90
Repo Health
76
Technical
71
Dependency
Built with
Java 97%
Updated 6 days ago
Python
65%
Apache 2.0

WrenAI

AI Agents · Analytics · Data Engineering

17,763

Open-source GenBI engine that lets AI agents turn natural-language questions into governed SQL, charts, and shareable dashboards across 20+ data sources — no vendor lock-in, no black-box prompts.

View details
90
Repo Health
91
Technical
69
Dependency
Built with
Python 65%
Rust 32%
Updated 6 days ago
Go
67%
Other

Hanko

Authentication · Security

9,037

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 67%
TypeScript 28%
Updated 5 days ago
Go
100%
Apache 2.0

SpiceDB

Authentication · Databases · Security

7,101

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
89
Repo Health
89
Technical
67
Dependency
Built with
Go 100%
Updated 1 weeks ago
Python
70%
AGPL 3.0

Tracecat

AI Agents · Automation · Security

3,816

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 4 days ago
Go
78%
MIT

Wakapi

Analytics · Developer Tools

4,435

Self-hosted WakaTime-compatible coding statistics backend that gives developers full control over their coding activity data.

View details
89
Repo Health
77
Technical
72
Dependency
Built with
Go 78%
HTML 12%
Updated 6 days ago
Go
64%
Apache 2.0

Coroot

Analytics · Monitoring

7,940

eBPF-powered observability with AI root cause analysis — zero code changes required, full-stack visibility out of the box.

View details
88
Repo Health
80
Technical
66
Dependency
Built with
Go 64%
Vue 34%
Updated 6 days ago
Python
45%
MIT

Maltrail

Monitoring · Security

8,609

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 4 days ago
Go
67%
Apache 2.0

OSV.dev

Security

2,948

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
66
Dependency
Built with
Go 67%
Python 22%
Updated 3 days 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