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
Java
100%
Apache 2.0

CrateDB

Analytics · Databases

4,435

Distributed SQL database for real-time analytics at scale

View details
96
Repo Health
76
Technical
77
Dependency
Built with
Java 100%
Updated 1 weeks ago
TypeScript
48%
AGPL 3.0

Grafana

Analytics · Monitoring

76,758

The open-source observability platform that unifies metrics, logs, and traces from any data source into dynamic, queryable dashboards.

View details
95
Repo Health
91
Technical
63
Dependency
Built with
TypeScript 48%
Go 46%
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
98%
MIT

Umami

Analytics

38,821

Privacy-first web analytics that respects your users — self-hosted, cookieless, and GDPR compliant out of the box.

View details
95
Repo Health
83
Technical
67
Dependency
Built with
TypeScript 98%
Updated 1 weeks ago
Java
78%
GPL 3.0

DataEase

AI Assistants · Analytics · Data Engineering

24,431

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 78%
Vue 22%
Updated 1 weeks ago
TypeScript
98%
Other

Formbricks

Analytics · Design Tools · Forms Surveys

12,941

Open-source experience management platform for in-app, website, email, and link surveys — privacy-first and fully self-hostable.

View details
93
Repo Health
81
Technical
67
Dependency
Built with
TypeScript 98%
Updated 1 weeks ago
TypeScript
96%
Other

Lightdash

Analytics · Data Engineering

6,136

The open-source Looker alternative that turns your dbt project's metrics and dimensions into governed, self-serve charts and dashboards — no license key required.

View details
93
Repo Health
84
Technical
64
Dependency
Built with
TypeScript 96%
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.

View details
92
Repo Health
85
Technical
63
Dependency
Built with
TypeScript 97%
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.

View details
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.

View details
92
Repo Health
83
Technical
67
Dependency
Built with
TypeScript 50%
Go 38%
Updated 1 weeks ago
TypeScript
98%
AGPL 3.0

Checkmate

Analytics · Devops · Monitoring

10,808

Self-hosted uptime and infrastructure monitoring with multi-protocol checks, global geo-coverage, and beautiful real-time dashboards.

View details
91
Repo Health
82
Technical
67
Dependency
Built with
TypeScript 98%
Updated 1 weeks ago
TypeScript
55%
Other

OpenReplay

Analytics

12,852

Self-hosted session replay and product analytics suite that lets you see exactly what users do on your web app — without sending data to third parties.

View details
91
Repo Health
77
Technical
66
Dependency
Built with
TypeScript 55%
Go 12%
Python 10%
Updated 1 weeks ago
Java
92%
Apache 2.0

QuestDB

Analytics · Databases

17,321

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
68
Dependency
Built with
Java 92%
Updated 1 weeks ago
Python
65%
Apache 2.0

WrenAI

AI Agents · Analytics · Data Engineering

17,637

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
91
Repo Health
91
Technical
69
Dependency
Built with
Python 65%
Rust 32%
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.

View details
90
Repo Health
88
Technical
67
Dependency
Built with
Python 48%
TypeScript 41%
Updated 1 weeks ago
TypeScript
38%
AGPL 3.0

OpenObserve

Analytics · Devops · Monitoring

21,809

Open source observability platform for logs, metrics, traces, and real user monitoring — delivering 140x lower storage costs than Elasticsearch with a single binary you can run in under 2 minutes.

View details
89
Repo Health
9
Technical
71
Dependency
Built with
TypeScript 38%
Rust 30%
Vue 19%
Updated 1 weeks ago
TypeScript
82%
MIT

evidence

Analytics · Data Engineering

6,936

Turn SQL queries and markdown files into polished, interactive data apps and business intelligence reports — no drag-and-drop, no GUI, just code.

View details
88
Repo Health
79
Technical
64
Dependency
Built with
TypeScript 82%
Svelte 18%
Updated 1 weeks ago
TypeScript
96%
MIT

HyperDX

Analytics · Developer Tools · Monitoring

9,888

Open source observability platform that unifies logs, traces, metrics, and session replays on ClickHouse — now the core of ClickStack.

View details
88
Repo Health
83
Technical
65
Dependency
Built with
TypeScript 96%
Updated 1 weeks ago
TypeScript
97%
AGPL 3.0

Swetrix

Analytics

1,199

Privacy-first, cookieless web analytics with error tracking, session replays, and performance monitoring — self-host or use Cloud.

View details
87
Repo Health
71
Technical
66
Dependency
Built with
TypeScript 97%
Updated 2 weeks ago
TypeScript
98%
Apache 2.0

Tianji

Analytics · Monitoring

3,097

Replace Google Analytics, UptimeKuma, and Prometheus with one self-hosted platform that tracks websites, monitors uptime, and reports server health.

View details
86
Repo Health
76
Technical
65
Dependency
Built with
TypeScript 98%
Updated 1 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
TypeScript
80%
Apache 2.0

nao

AI Development · Analytics

1,651

Build and deploy an open-source analytics agent that understands your data warehouse and answers business questions in plain English.

View details
84
Repo Health
76
Technical
67
Dependency
Built with
TypeScript 80%
Python 19%
Updated 1 weeks ago
Python
45%
Other

Redash

Analytics · Data Engineering

28,794

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
83
Repo Health
74
Technical
60
Dependency
Built with
Python 45%
JavaScript 31%
TypeScript 17%
Updated 3 weeks 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