Directory

All Open Source Apps

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

746 apps
Updated continuously
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
Go
100%
Apache 2.0

SpiceDB

Authentication · Databases · Security

7,054

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.

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90
Repo Health
89
Technical
67
Dependency
Built with
Go 100%
Updated 1 weeks ago
Go
55%
Apache 2.0

Authgear

Authentication

2,047

Open-source, self-hostable authentication platform with passkeys, biometric login, SSO, MFA, and GraphQL admin API — a full Auth0/Clerk/Firebase alternative for SaaS and mobile apps.

View details
89
Repo Health
81
Technical
68
Dependency
Built with
Go 55%
HTML 24%
TypeScript 17%
Updated 1 weeks ago
Go
63%
Apache 2.0

Coroot

Analytics · Monitoring

7,915

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

View details
89
Repo Health
80
Technical
65
Dependency
Built with
Go 63%
Vue 35%
Updated 1 weeks ago
JavaScript
98%
Apache 2.0

drawio-desktop

Design Tools · Productivity

63,113

The offline-first diagram editor that puts security above all else — no account, no data leaving your machine, no compromises.

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89
Repo Health
63
Technical
76
Dependency
Built with
JavaScript 98%
Updated 1 weeks ago
Python
67%
Apache 2.0

GPT Researcher

AI Assistants · Productivity

29,450

The pioneering open-source autonomous AI agent that conducts deep, multi-source research and produces citation-backed reports exceeding 2,000 words — faster and more reliably than any human researcher.

View details
89
Repo Health
91
Technical
63
Dependency
Built with
Python 67%
TypeScript 20%
Updated 4 weeks ago
Go
62%
Apache 2.0

Harness Open Source

Code Editors · Developer Tools · Devops

38,349

A unified open source DevOps platform combining Git hosting, CI/CD pipelines, cloud development environments, and artifact registries in a single self-hosted system.

View details
89
Repo Health
79
Technical
64
Dependency
Built with
Go 62%
TypeScript 34%
Updated 2 weeks ago
Go
73%
Apache 2.0

ntfy

Developer Tools · Marketing

34,222

Send push notifications to your phone or desktop from any script or service using a single HTTP PUT or POST—no sign-up required.

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89
Repo Health
89
Technical
75
Dependency
Built with
Go 73%
JavaScript 26%
Updated 2 weeks ago
Python
73%
Apache 2.0

Unsloth

AI Assistants · AI Development

76,586

Run and fine-tune LLMs, diffusion, audio and embedding models on your own hardware, from a native desktop app, a browser UI, or a Python library.

View details
89
Repo Health
83
Technical
70
Dependency
Built with
Python 73%
TypeScript 21%
Updated 3 days ago
Go
88%
Apache 2.0

Miniflux

Bookmarks Archiving

9,693

Privacy-first, opinionated feed reader built for speed and control—no bloat, no trackers, no JavaScript overhead.

View details
89
Repo Health
80
Technical
79
Dependency
Built with
Go 88%
Updated 1 weeks ago
Go
47%
Apache 2.0

Cozystack

Devops · Hosting Control Panel

2,223

Turn bare metal servers into a fully managed cloud platform with a single Kubernetes-native REST API.

View details
88
Repo Health
84
Technical
78
Dependency
Built with
Go 47%
Shell 36%
Updated 1 weeks ago
Python
86%
Apache 2.0

PrivateGPT

AI Development

57,508

The open-source API layer that turns local LLMs into production private AI applications with full Claude API compatibility

View details
88
Repo Health
83
Technical
69
Dependency
Built with
Python 86%
HTML 10%
Updated 1 weeks ago
Go
40%
Apache 2.0

Rill

Analytics · Data Engineering

2,882

The fastest BI tool for humans and agents — define metrics, models, and dashboards as code and query them instantly on ClickHouse or DuckDB.

View details
88
Repo Health
88
Technical
64
Dependency
Built with
Go 40%
TypeScript 37%
Svelte 21%
Updated 1 weeks ago
Python
68%
Apache 2.0

SurfSense

AI Assistants · Search

16,145

The open-source, unlimited NotebookLM alternative with real-time collaboration, a desktop app, and no vendor lock-in.

View details
88
Repo Health
71
Technical
66
Dependency
Built with
Python 68%
TypeScript 29%
Updated 1 weeks ago
Go
59%
Apache 2.0

Cog

AI Development · Developer Tools · Devops

9,476

An open-source CLI that packages machine learning models into standard, production-ready Docker containers — no Dockerfile wrangling, no CUDA version hell.

View details
87
Repo Health
88
Technical
69
Dependency
Built with
Go 59%
Rust 17%
HTML 13%
Updated 2 weeks ago
Go
78%
Apache 2.0

OpenMeter

Developer Tools · Invoicing Finance

2,276

Open-source metering and billing engine for AI, agentic, and DevTool monetization — ingest usage events in real time and turn them into accurate invoices automatically.

View details
87
Repo Health
81
Technical
66
Dependency
Built with
Go 78%
TypeScript 17%
Updated 1 weeks ago
Go
63%
Apache 2.0

OSV.dev

Security

2,924

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
69
Dependency
Built with
Go 63%
Python 25%
Updated 1 weeks ago
Java
96%
Apache 2.0

XPipe

Developer Tools · Devops · Networking

14,532

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

View details
87
Repo Health
78
Technical
0
Dependency
Built with
Java 96%
Updated 1 weeks ago
Go
60%
Apache 2.0

Apache Answer

Community

15,679

Open-source Q&A platform for communities, help centers, and knowledge bases with AI assistant and plugin extensibility

View details
85
Repo Health
78
Technical
68
Dependency
Built with
Go 60%
TypeScript 36%
Updated 2 weeks ago
Python
92%
Apache 2.0

ART

AI Development

10,718

Give your LLM agents on-the-job training—ART lets you apply GRPO reinforcement learning to any multi-step agentic workflow with minimal code changes.

View details
85
Repo Health
82
Technical
73
Dependency
Built with
Python 92%
Updated 1 weeks ago
Python
81%
Apache 2.0

headroom

AI Development · Developer Tools

72,163

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.

View details
85
Repo Health
86
Technical
69
Dependency
Built with
Python 81%
Rust 13%
Updated 1 weeks ago
Go
50%
Apache 2.0

opencloud

File Storage

5,968

Open source file management and collaboration platform that keeps your data under your control, no database required.

View details
85
Repo Health
80
Technical
68
Dependency
Built with
Go 50%
Gherkin 34%
PHP 12%
Updated 1 weeks ago
Python
38%
Apache 2.0

OpenSandbox

Developer Tools · Security

15,290

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 37%
Updated 1 weeks ago

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