Directory

All Open Source Apps

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

746 apps
Updated continuously
TypeScript
98%
Other

Kibana

Analytics · Monitoring

21,288

Your open source window into the Elastic Stack — query, visualize, and act on data stored in Elasticsearch with real-time dashboards, AI-assisted search, and automated alerting.

View details
98
Repo Health
87
Technical
62
Dependency
Built with
TypeScript 98%
Updated 1 weeks ago
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
TypeScript
97%
Other

GrowthBook

Ab Testing Experimentation · Analytics · Developer Tools

8,363

Open source feature flags, A/B testing, and warehouse-native experimentation that queries your existing data infrastructure—no data movement required.

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92
Repo Health
85
Technical
63
Dependency
Built with
TypeScript 97%
Updated 1 weeks ago
TypeScript
98%
Other

Langfuse

AI Development · Monitoring

34,609

Open source AI engineering platform for LLM observability, prompt management, evaluation, and debugging — self-host in minutes or use Langfuse Cloud.

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92
Repo Health
81
Technical
65
Dependency
Built with
TypeScript 98%
Updated 1 weeks ago
Python
54%
Other

PostHog

Ab Testing Experimentation · Analytics · Developer Tools

39,797

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.

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92
Repo Health
80
Technical
65
Dependency
Built with
Python 54%
TypeScript 36%
Updated 1 weeks ago
TypeScript
50%
Other

SigNoz

Analytics · Monitoring

32,100

Self-host your entire observability stack — logs, metrics, traces, and LLM monitoring — in one OpenTelemetry-native platform, without the Datadog bill.

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92
Repo Health
83
Technical
67
Dependency
Built with
TypeScript 50%
Go 38%
Updated 1 weeks ago
TypeScript
59%
Other

agenta

AI Development · Developer Tools · Devops

4,752

The open-source LLMOps platform unifying prompt engineering, evaluation, and observability for teams building reliable LLM applications.

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91
Repo Health
77
Technical
67
Dependency
Built with
TypeScript 59%
Python 38%
Updated 1 weeks ago
Python
64%
Other

Keep

Automation · Devops · Monitoring

12,313

The open-source AIOps and alert management platform that unifies 130+ monitoring tools into a single pane of glass with AI-powered correlation, deduplication, and workflow automation.

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90
Repo Health
79
Technical
66
Dependency
Built with
Python 64%
TypeScript 36%
Updated 1 weeks ago
Python
48%
Other

Arize Phoenix

Analytics · Devops · Monitoring

11,463

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

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90
Repo Health
88
Technical
67
Dependency
Built with
Python 48%
TypeScript 41%
Updated 1 weeks ago
PHP
100%
Other

Cachet

Monitoring

15,236

The open-source, self-hosted status page system that keeps your users informed during outages and maintenance windows.

View details
88
Repo Health
67
Technical
76
Dependency
Built with
PHP 100%
Updated 2 weeks ago
TypeScript
52%
Other

World Monitor

Analytics · Monitoring

86,278

Real-time global intelligence dashboard that fuses AI-synthesized news, geopolitical risk scoring, and infrastructure tracking into one open-source situational awareness platform.

View details
86
Repo Health
89
Technical
68
Dependency
Built with
TypeScript 52%
JavaScript 46%
Updated 1 weeks ago
Python
84%
Other

Bugsink

Developer Tools · Monitoring

2,070

Self-hosted error tracking that accepts Sentry SDKs out of the box, so you keep your instrumentation and drop the monthly bill.

View details
84
Repo Health
80
Technical
71
Dependency
Built with
Python 84%
HTML 15%
Updated 1 weeks ago
Other

Requestly

Developer Tools · Monitoring · Security

6,756

Open-source HTTP interceptor and API mocker trusted by 300,000+ developers — intercept, modify, and mock HTTP traffic from browser extensions or desktop without complex proxy setup.

View details
69
Repo Health
76
Technical
0
Dependency
Updated 2 weeks ago
TypeScript
71%
Other

highlight.io

Analytics · Developer Tools · Monitoring

9,374

Open-source full-stack monitoring that unifies session replay, error tracking, logging, and distributed tracing so you can stop context-switching between tools.

View details
68
Repo Health
78
Technical
65
Dependency
Built with
TypeScript 71%
Go 16%
Updated 1 months ago

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