Directory

All Open Source Apps

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

746 apps
Updated continuously
Go
97%
Apache 2.0

Docker (Moby)

Developer Tools · Devops

72,104

The open-source container engine at the heart of Docker — a modular toolkit of runtime, build, and networking components for assembling container-based systems.

View details
98
Repo Health
86
Technical
69
Dependency
Built with
Go 97%
Updated 1 weeks ago
Python
57%
Apache 2.0

MLflow

AI Development · Monitoring

27,953

The open source AI engineering platform for debugging, evaluating, monitoring, and optimizing production LLMs and agents at scale.

View details
97
Repo Health
86
Technical
67
Dependency
Built with
Python 57%
TypeScript 34%
Updated 1 weeks ago
Go
95%
Apache 2.0

TiDB

AI Development · Databases

40,528

AI-Native Distributed SQL Database for Agentic Workloads

View details
97
Repo Health
66
Technical
68
Dependency
Built with
Go 95%
Updated 1 weeks ago
Python
90%
Apache 2.0

Apache Airflow

Data Engineering

46,857

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 90%
Updated 1 weeks ago
Go
85%
Apache 2.0

Argo Workflows

Data Engineering · Devops

16,978

The most popular Kubernetes-native workflow engine for orchestrating containerized DAGs, ML pipelines, CI/CD, and parallel batch jobs at scale.

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96
Repo Health
90
Technical
67
Dependency
Built with
Go 85%
TypeScript 11%
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
Go
98%
Apache 2.0

Nightingale

Monitoring

13,287

Open-source alerting engine that connects to any time-series or log data source and routes alarms to 20+ notification channels with AI-assisted triage.

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96
Repo Health
77
Technical
67
Dependency
Built with
Go 98%
Updated 1 weeks ago
Python
57%
Apache 2.0

Zulip

Team Chat

25,904

Topic-based team chat that brings the structure of email threads to real-time messaging, so distributed teams never lose context across hundreds of concurrent conversations.

View details
96
Repo Health
86
Technical
61
Dependency
Built with
Python 57%
TypeScript 19%
JavaScript 10%
Updated 1 weeks ago
Python
100%
Apache 2.0

ClearML

Automation · Devops

6,865

Auto-magical MLOps platform that tracks experiments, versions data, orchestrates pipelines, and serves models with just two lines of code.

View details
95
Repo Health
79
Technical
68
Dependency
Built with
Python 100%
Updated 1 weeks ago
Go
83%
Apache 2.0

frp

Networking

109,434

A fast reverse proxy that exposes local servers behind NAT or firewalls to the public internet with multi-protocol support.

View details
95
Repo Health
82
Technical
71
Dependency
Built with
Go 83%
Vue 12%
Updated 1 weeks ago
Java
58%
Apache 2.0

Kestra

Automation · Data Engineering · Devops

28,115

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

View details
94
Repo Health
81
Technical
72
Dependency
Built with
Java 58%
TypeScript 25%
Vue 15%
Updated 1 weeks ago
Python
100%
Apache 2.0

Agno

AI Development · Automation · Devops

42,173

Build, run, and manage agent platforms with a full production stack — SDK, runtime, and control plane included.

View details
93
Repo Health
87
Technical
66
Dependency
Built with
Python 100%
Updated 1 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
Python
80%
Apache 2.0

changedetection.io

Monitoring

34,125

Self-hosted website change detection with AI-powered smart alerts, browser automation, price tracking, and 85+ notification channels.

View details
92
Repo Health
80
Technical
68
Dependency
Built with
Python 80%
Updated 1 weeks ago
Java
96%
Apache 2.0

Copybara

Developer Tools

3,840

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.

View details
92
Repo Health
72
Technical
0
Dependency
Built with
Java 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
Go
79%
Apache 2.0

Dolt

Data Engineering · Databases · Developer Tools

24,440

The SQL database you can branch, merge, diff, and clone — Git for your data, MySQL-compatible and ready for multi-agent AI workflows.

View details
91
Repo Health
9
Technical
65
Dependency
Built with
Go 79%
Shell 19%
Updated 1 weeks ago
Go
97%
Apache 2.0

kopia

File Storage

14,117

Fast, encrypted, deduplicated backups to any cloud or local storage with full client-side control.

View details
91
Repo Health
83
Technical
68
Dependency
Built with
Go 97%
Updated 1 weeks ago
Go
95%
Apache 2.0

Nakama

Developer Tools · Game Development

13,330

Open-source game backend server with built-in multiplayer, matchmaking, leaderboards, chat, authentication, and storage — deploy anywhere via Docker or binary.

View details
91
Repo Health
73
Technical
73
Dependency
Built with
Go 95%
Updated 2 weeks ago
Go
99%
Apache 2.0

Okteto

Developer Tools · Devops

3,546

Develop applications directly inside your Kubernetes cluster with real-time file sync and instant hot-reload — no more docker build/redeploy cycles.

View details
91
Repo Health
79
Technical
68
Dependency
Built with
Go 99%
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
61%
Apache 2.0

marimo

Data Engineering · Developer Tools

22,765

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
90
Repo Health
91
Technical
65
Dependency
Built with
Python 61%
TypeScript 37%
Updated 1 weeks ago
Python
64%
Apache 2.0

Polar

Developer Tools · Ecommerce · Invoicing Finance

10,258

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

View details
90
Repo Health
82
Technical
66
Dependency
Built with
Python 64%
TypeScript 29%
Updated 1 weeks ago

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