Directory

All Open Source Apps

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

748 apps
Updated continuously
Python
82%
MIT

CertMate

Devops · Security

1,435

Automate SSL certificate lifecycle across any CA, 24+ DNS providers, and every major secret store — with a REST API, web dashboard, and built-in MCP server for AI-driven ops.

View details
83
Repo Health
84
Technical
70
Dependency
Built with
Python 82%
Updated 4 days ago
Go
97%
Apache 2.0

infracost

Developer Tools · Devops

12,539

Infracost shows cloud cost estimates for Terraform, CloudFormation, and AWS CDK before you deploy — in your terminal, editor, AI coding agent, and pull requests.

View details
82
Repo Health
78
Technical
67
Dependency
Built with
Go 97%
Updated 6 days ago
Python
86%
Apache 2.0

knowhere

AI Development · AI Memory · Developer Tools

3,541

Transform messy, unstructured documents into persistent, navigable memory that AI agents can actually use.

View details
82
Repo Health
75
Technical
66
Dependency
Built with
Python 86%
HTML 14%
Updated 1 weeks ago
Go
66%
Apache 2.0

open-code-review

Developer Tools · Devops

42,000

The AI code review agent born at Alibaba's scale — combining deterministic engineering with LLM intelligence for precise, token-efficient reviews.

View details
82
Repo Health
83
Technical
80
Dependency
Built with
Go 66%
JavaScript 13%
TypeScript 11%
Updated 1 weeks ago
Python
63%
Apache 2.0

otari

AI Development · Developer Tools

494

A self-hosted, OpenAI-compatible LLM gateway that puts one endpoint in front of 40+ providers, with virtual API keys, per-user budgets enforced before spend, and full usage tracking.

View details
81
Repo Health
88
Technical
77
Dependency
Built with
Python 63%
TypeScript 35%
Updated 4 days ago
Go
93%
MIT

NornicDB

AI Development · AI Memory · Databases

887

A single graph+vector+temporal database for AI workloads — Neo4j-compatible, sub-millisecond hybrid search, and built-in memory decay.

View details
80
Repo Health
82
Technical
71
Dependency
Built with
Go 93%
Updated 3 days ago
Go
90%
BSD 3

tau

Devops

5,174

Open-source, Git-native platform-as-a-service for building, deploying, and scaling fullstack apps on your own infrastructure with no DevOps required.

View details
80
Repo Health
82
Technical
64
Dependency
Built with
Go 90%
Updated 1 months ago
Python
85%
MIT

ai-toolkit

AI Design Tools · AI Development

12,143

An all-in-one open-source training suite for finetuning diffusion models—FLUX, SDXL, Wan video, and audio—on consumer GPU hardware via CLI or web UI.

View details
79
Repo Health
66
Technical
72
Dependency
Built with
Python 85%
TypeScript 14%
Updated 4 days ago
Python
90%
MIT

Cronboard

Developer Tools · Devops

1,456

A keyboard-driven terminal dashboard for managing cron jobs on local machines and remote servers via SSH.

View details
79
Repo Health
74
Technical
75
Dependency
Built with
Python 90%
Updated 6 days ago
Go
91%
Apache 2.0

Gatus

Devops · Monitoring

12,186

Developer-oriented health dashboard with active endpoint probing, multi-protocol checks, and 40+ alerting integrations so you know about failures before your users do.

View details
79
Repo Health
84
Technical
75
Dependency
Built with
Go 91%
Updated 1 weeks ago
Python
67%
AGPL 3.0

MiroFish

AI Agents · AI Development

75,037

A universal swarm intelligence engine that spawns thousands of autonomous AI agents to simulate and predict how real-world events unfold across social, financial, and political domains.

View details
79
Repo Health
65
Technical
79
Dependency
Built with
Python 67%
Vue 33%
Updated 2 weeks ago
Go
65%
GPL 3.0

Stormkit

Devops · Hosting Control Panel

262

Self-hostable platform for deploying and hosting modern web apps with automated CI/CD, custom domains, and a built-in serverless runtime — a true open-source alternative to Vercel and Netlify.

View details
79
Repo Health
79
Technical
67
Dependency
Built with
Go 65%
TypeScript 32%
Updated 3 days ago
Python
73%
Apache 2.0

timesfm

AI Development · Analytics

33,870

A pretrained decoder-only foundation model by Google Research that delivers zero-shot time series forecasting with calibrated quantile prediction intervals — no training required.

View details
78
Repo Health
81
Technical
71
Dependency
Built with
Python 73%
HTML 14%
Jupyter Notebook 12%
Updated 2 weeks ago
Ruby
94%
AGPL 3.0

Ubicloud

Devops · Hosting Control Panel

12,279

Open source cloud infrastructure platform delivering AWS-like IaaS services on bare metal providers at a fraction of the cost.

View details
76
Repo Health
81
Technical
0
Dependency
Built with
Ruby 94%
Updated 3 days ago
Go
71%
MIT

sandboxd

Developer Tools · Devops

955

Self-hosted engine for AI app-builder products: give every user an isolated sandbox, a built-in coding agent, and a live preview URL — one command, no Kubernetes.

View details
75
Repo Health
83
Technical
69
Dependency
Built with
Go 71%
TypeScript 23%
Updated 1 weeks ago
Go
75%
MIT

Digger

Automation · Developer Tools · Devops

5,044

Run Terraform and OpenTofu natively inside your existing CI pipeline — no separate runners, no third-party secrets, no extra compute costs.

View details
74
Repo Health
73
Technical
67
Dependency
Built with
Go 75%
TypeScript 15%
Updated 1 weeks ago
Python
82%
Other

fish-speech

AI Development · Developer Tools · Music Audio

32,864

SOTA open-source dual-autoregressive text-to-speech model with rapid voice cloning, inline emotion tags, and real-time streaming inference across 80+ languages.

View details
69
Repo Health
71
Technical
73
Dependency
Built with
Python 82%
TypeScript 14%
Updated 2 weeks ago
Go
68%
MIT

nginx ignition

Developer Tools · Devops

2,139

A modern web UI for nginx that eliminates config file editing with visual virtual hosts, SSL automation, Docker integrations, and real-time traffic analytics.

View details
69
Repo Health
80
Technical
71
Dependency
Built with
Go 68%
TypeScript 29%
Updated 1 weeks ago
Java
76%
Apache 2.0

Nubase

AI Development · Low Code Platforms

624

Turn AI-written code into real apps — an open-source, self-hostable backend with Database, Auth, Storage, Memory, Functions, Assets, AI Gateway, and cron built for AI coding agents.

View details
68
Repo Health
76
Technical
74
Dependency
Built with
Java 76%
TypeScript 21%
Updated 1 months ago
Python
59%
Apache 2.0

argilla

AI Development · Data Engineering

5,125

Collaborate on high-quality AI training data with a self-hosted annotation platform built for LLMs, NLP, and multimodal models.

View details
65
Repo Health
81
Technical
61
Dependency
Built with
Python 59%
Jupyter Notebook 21%
Updated 1 weeks ago
Python
83%
MIT

Gemma Multimodal Fine-Tuner

AI Development

1,503

An Apple-Silicon-native LoRA fine-tuning tool for Gemma on text, image, and audio data — with a wizard CLI, live browser-based training visualizer, and streaming from GCS/BigQuery for datasets too large for local disk.

View details
65
Repo Health
68
Technical
72
Dependency
Built with
Python 83%
Updated 5 days ago
Python
99%
Apache 2.0

Rasa Open Source

AI Assistants · AI Development · Voice AI

21,332

Rasa Open Source is a Python machine learning framework for building contextual, multi-turn chatbots and voice assistants that understand natural language and maintain conversation state.

View details
64
Repo Health
78
Technical
63
Dependency
Built with
Python 99%
Updated 2 months ago
JavaScript
54%
MIT

GPU Hot

Devops · Monitoring

1,633

Real-time NVIDIA GPU monitoring dashboard — self-hosted, scale from 1 to 100+ GPUs with sub-second metrics and no cloud dependency.

View details
60
Repo Health
73
Technical
79
Dependency
Built with
JavaScript 54%
Python 34%
Updated 1 months ago
Python
66%
Other

Morphik

AI Development · Databases · Search

3,716

Morphik is an AI-native ingestion and retrieval engine that lets developers store, search, and reason over visually rich documents — scanned PDFs, manuals, slides, and video — without duct-taping together OCR, an embedding model, and a vector database.

View details
60
Repo Health
71
Technical
67
Dependency
Built with
Python 66%
TypeScript 23%
Updated 6 days 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