Directory

All Open Source Apps

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

746 apps
Updated continuously
JavaScript
56%
MIT

Uptime Kuma

Monitoring

91,379

Self-hosted monitoring for every service you run — 23 monitor types, 95 notification channels, live dashboards, and public status pages with no vendor lock-in.

View details
91
Repo Health
81
Technical
63
Dependency
Built with
JavaScript 56%
Vue 41%
Updated 1 weeks ago
Go
97%
BSD 3

Weaviate

Databases · Search

16,810

Open-source vector database combining semantic search, hybrid queries, RAG, and image search in a single cloud-native system built for production scale.

View details
91
Repo Health
85
Technical
68
Dependency
Built with
Go 97%
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.

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91
Repo Health
91
Technical
69
Dependency
Built with
Python 65%
Rust 32%
Updated 1 weeks ago
JavaScript
99%
Other

ChartBrew

Analytics · Databases

4,058

Open-source reporting platform to build live dashboards from SQL, NoSQL, APIs, and SaaS tools with an AI assistant that creates charts from natural language.

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90
Repo Health
83
Technical
64
Dependency
Built with
JavaScript 99%
Updated 1 weeks ago
Go
73%
Other

Flipt

Developer Tools · Devops

4,898

Git-native feature flag platform that stores, versions, and deploys feature toggles directly in your own Git repositories with no external database required.

View details
90
Repo Health
83
Technical
69
Dependency
Built with
Go 73%
TypeScript 26%
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
68%
MIT

Langflow

AI Agents · AI Development

154,806

Build, test, and deploy AI agents and RAG workflows visually with native API and MCP server export.

View details
90
Repo Health
85
Technical
65
Dependency
Built with
Python 68%
TypeScript 23%
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
Go
70%
MIT

Ollama

AI Development · Developer Tools

180,970

Run Llama, Gemma, DeepSeek, and other open LLMs on your own machine with one command and an OpenAI-compatible API.

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90
Repo Health
85
Technical
67
Dependency
Built with
Go 70%
C 21%
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
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.

View details
90
Repo Health
89
Technical
67
Dependency
Built with
Go 100%
Updated 1 weeks ago
Java
46%
Other

Stirling PDF

Digital Signiture · Productivity

92,085

The open-source PDF platform you can run anywhere — edit, convert, sign, and automate PDFs without sending files to external servers.

View details
90
Repo Health
86
Technical
71
Dependency
Built with
Java 46%
TypeScript 45%
Updated 1 weeks ago
Go
78%
MIT

Wakapi

Analytics · Developer Tools

4,432

Self-hosted WakaTime-compatible coding statistics backend that gives developers full control over their coding activity data.

View details
90
Repo Health
77
Technical
72
Dependency
Built with
Go 78%
HTML 12%
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
Python
68%
Other

Baserow

Databases · No Code Platforms

5,895

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

View details
89
Repo Health
84
Technical
68
Dependency
Built with
Python 68%
JavaScript 16%
Vue 11%
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
Ruby
60%
GPL 2.0

Discourse

Community

47,835

Open-source community platform with dynamic trust levels, real-time chat, and a powerful plugin architecture for self-hosted forums.

View details
89
Repo Health
89
Technical
67
Dependency
Built with
Ruby 60%
JavaScript 32%
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.

View details
89
Repo Health
63
Technical
76
Dependency
Built with
JavaScript 98%
Updated 1 weeks ago
Ruby
69%
Other

Fizzy

Product Management · Project Management

8,199

A fast, free, and focused Kanban tool from 37signals that strips away corporate bloat to help teams track bugs, issues, and ideas with clarity.

View details
89
Repo Health
81
Technical
0
Dependency
Built with
Ruby 69%
HTML 13%
Updated 1 weeks ago
Go
69%
MIT

Gotify

Developer Tools · Monitoring

15,896

A lightweight, self-hosted push notification server that sends and receives messages in real time over WebSocket, with a sleek web UI and a native Go plugin system.

View details
89
Repo Health
74
Technical
69
Dependency
Built with
Go 69%
TypeScript 30%
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
65%
Other

Hanko

Authentication · Security

9,025

Open source, self-hostable authentication platform with passkeys, SAML SSO, and OAuth — the privacy-first alternative to Auth0 and Clerk.

View details
89
Repo Health
81
Technical
66
Dependency
Built with
Go 65%
TypeScript 30%
Updated 1 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

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