Directory

All Open Source Apps

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

745 apps
Updated continuously
Python
89%
Apache 2.0

Apache Airflow

Data Engineering

46,995

Define, schedule, and monitor complex data workflows as Python code — with a powerful UI, 80+ provider integrations, and battle-tested scalability across thousands of production deployments.

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96
Repo Health
89
Technical
64
Dependency
Built with
Python 89%
Updated today
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 yesterday
Python
47%
Other

Airbyte

Data Engineering · Developer Tools

22,143

Open-source ELT platform with 600+ connectors for moving data from any source to warehouses, lakes, and AI agents.

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95
Repo Health
80
Technical
67
Dependency
Built with
Python 47%
Kotlin 43%
Updated today
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.

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95
Repo Health
80
Technical
69
Dependency
Built with
Python 57%
TypeScript 41%
Updated today
Python
91%
GPL 3.0

Weblate

Developer Tools

6,094

Continuous localization platform that commits translations directly into your version control system with full translator attribution.

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95
Repo Health
86
Technical
67
Dependency
Built with
Python 91%
Updated today
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.

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94
Repo Health
71
Technical
65
Dependency
Built with
Java 70%
Vue 29%
Updated today
Java
58%
Apache 2.0

Kestra

Automation · Data Engineering · Devops

28,388

Event-driven orchestration platform for data, AI, and infrastructure workflows — define everything in YAML, run anywhere at scale.

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93
Repo Health
81
Technical
72
Dependency
Built with
Java 58%
TypeScript 26%
Vue 15%
Updated 3 days ago
Java
96%
Apache 2.0

Copybara

Developer Tools

3,858

Google's internal tool, open-sourced, for transforming and moving code between repositories — keeping a confidential and public repo in sync, importing external contributions into an authoritative repo, or migrating code once.

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92
Repo Health
72
Technical
0
Dependency
Built with
Java 96%
Updated today
Python
82%
MIT

LiteLLM

AI Development · Developer Tools

59,745

Open source AI gateway and Python SDK that gives you one OpenAI-compatible interface to call 100+ LLM providers, with built-in routing, cost tracking, guardrails, and virtual keys.

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92
Repo Health
81
Technical
69
Dependency
Built with
Python 82%
TypeScript 12%
Updated today
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.

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92
Repo Health
80
Technical
65
Dependency
Built with
Python 55%
TypeScript 36%
Updated today
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.

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92
Repo Health
74
Technical
60
Dependency
Built with
Python 46%
JavaScript 30%
TypeScript 17%
Updated today
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.

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91
Repo Health
86
Technical
67
Dependency
Built with
Java 93%
Updated today
Python
63%
BSD 3

Flagsmith

Ab Testing Experimentation · Developer Tools · Devops

6,577

Open-source feature flagging, remote config, and A/B/multivariate testing platform for web, mobile, and server-side apps — self-host or use the hosted SaaS.

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90
Repo Health
82
Technical
63
Dependency
Built with
Python 63%
TypeScript 31%
Updated 2 days ago
Python
65%
Apache 2.0

Polar

Developer Tools · Ecommerce · Invoicing Finance

10,293

Open source payments infrastructure that turns software into a business — subscriptions, usage-based billing, digital products, and merchant-of-record compliance in one platform.

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90
Repo Health
82
Technical
66
Dependency
Built with
Python 65%
TypeScript 28%
Updated today
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 3 days ago
Python
68%
Other

Baserow

Databases · No Code Platforms

6,012

Open-source no-code platform to build databases, apps, automations, and AI agents — self-hosted or cloud, with full data ownership.

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89
Repo Health
84
Technical
68
Dependency
Built with
Python 68%
JavaScript 16%
Vue 11%
Updated yesterday
Python
62%
Apache 2.0

marimo

Data Engineering · Developer Tools

22,918

A reactive Python notebook that eliminates hidden state, runs reproducibly, and deploys as a web app or script — stored as pure Python, built for the AI era.

View details
89
Repo Health
91
Technical
65
Dependency
Built with
Python 62%
TypeScript 37%
Updated yesterday
Java
96%
Apache 2.0

XPipe

Developer Tools · Devops · Networking

14,554

A local desktop hub that unifies SSH, Docker, Kubernetes, VMs, and remote desktops into one interface — no agents, no remote setup.

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87
Repo Health
78
Technical
0
Dependency
Built with
Java 96%
Updated yesterday
Python
94%
BSD 3

skrub

Developer Tools

1,653

Turn messy real-world dataframes into machine learning features — no manual wrangling required.

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86
Repo Health
84
Technical
80
Dependency
Built with
Python 94%
Updated 4 days ago
Python
82%
Apache 2.0

headroom

AI Development · Developer Tools

73,966

Compress everything your AI agent reads — tool outputs, logs, RAG chunks, and files — before it reaches the LLM, achieving 60–95% fewer tokens with the same answers.

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85
Repo Health
86
Technical
69
Dependency
Built with
Python 82%
Rust 12%
Updated yesterday
Python
38%
Apache 2.0

OpenSandbox

Developer Tools · Security

15,540

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 35%
Updated today
Python
75%
AGPL 3.0

OpenViking

AI Development · AI Memory · Databases

38,819

An open-source context database that gives AI agents a unified filesystem for memory, resources, and skills with hierarchical tiered retrieval.

View details
85
Repo Health
75
Technical
64
Dependency
Built with
Python 75%
Rust 12%
Updated today
Python
84%
Other

Bugsink

Developer Tools · Monitoring

2,095

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 14%
Updated 3 days ago
Python
88%
Apache 2.0

sirchmunk

AI Development · Data Engineering

1,351

Drop your files and search them instantly — no vector DB, no indexing pipeline, just raw data queried by a self-evolving intelligence layer.

View details
84
Repo Health
70
Technical
72
Dependency
Built with
Python 88%
TypeScript 11%
Updated 1 weeks ago

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