Multiphysics Object Oriented Simulation Environment: A robust, modern, extendable, finite element/finite volume framework that excels at creating complex multiphysics simulations.
⚡ Executive Summary & Quick Facts
Authoritative Sourcemoose is moose is an open-source project written in C++: Multiphysics Object Oriented Simulation Environment..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), idaholab/moose has accumulated 2,401 GitHub stars and 1,276 forks. It is written in C++, licensed under LGPL-2.1, and ranks #5,000 globally. It is actively maintained with the latest commit recorded on Nov 2, 2026.”
| Repository | idaholab/moose ↗ |
|---|---|
| Primary Category | amr |
| Language & Stack | C++ |
| Software License | LGPL-2.1 |
| Community Traction | ★ 2.4K stars · ⑂ 1.3K forks · #5,000 globally |
| Maintenance | ● Active (Last commit: Nov 2, 2026) · 2,900 open issues |
| Target Audience | Developers and engineering teams building with C++, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 90/100 · Grade AYes, moose is actively maintained. Continuous telemetry recorded the last code commit on Nov 2, 2026 (10 days ago). Supported by 2,401 stars and 1,276 community forks, this repository holds a calculated health index of 90/100, reflecting very active (commits within last 14 days) and high open issue volume (2,900 open).
Star History
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+37
STARS · LAST 30 DAYS
1
PER DAY
#371
MOST-STARRED C++
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +37 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +11 | +64 |
moose gained 37 stars in the last 30 days, about 1 a day, and now has 2.4K. It is about 13 years old and has averaged roughly 185 stars a year. It ranks #371 among C++ repositories and #5,000 across all languages on GitHubRepo.
Trending Record
45
DAYS ON TRENDING
#425
BEST RANK
Sep 23, 2026
FIRST APPEARANCE
Active
STATUS TODAY
moose has maintained a continuous presence across global trending indexes, peaking at #425. Below is the 30-day activity profile:
💡 Overview
moose is an open-source project written in C++: Multiphysics Object Oriented Simulation Environment.
Engineered for speed, consistency, and developer ease, it solves common hurdles in amr, fem, finite-elements. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in C++ for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ git clone https://github.com/idaholab/moose.git
cd moose⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
C++20 compliant compiler (GCC 11+, Clang 13+, MSVC)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
moose coordinates its core functionality through a modular C++ pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Production System Integration
Embed moose into C++ backend services to handle core application logic.
CI/CD Automated Pipelines
Run automated validation, builds, and integration suites during deployments.
Developer Tooling & Workflows
Accelerate developer onboarding with pre-configured project utilities.
Open Source Extension
Fork and customize internal modules under the repository's open LGPL-2.1 license.
🚀 Getting Started
Install moose using your package manager: `git clone https://github.com/idaholab/moose.git`
Initialize your project workspace or configuration file for moose.
Import moose into your codebase or invoke it directly from your terminal.
Execute your test suite or run `moose --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with C++, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
idaholab/moose is currently ranked #5,000 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #4,995 | static-web-server/static-web-server | Rust | ★ 2.4K | Compare ↗ |
| #4,996 | magefree/mage | Java | ★ 2.4K | Compare ↗ |
| #4,997 | CutWire-Studios/Drift | C++ | ★ 2.4K | Compare ↗ |
| #4,998 | elalish/manifold | C++ | ★ 2.4K | Compare ↗ |
| #4,998 | Maintainerr/Maintainerr | TypeScript | ★ 2.4K | Compare ↗ |
| #5,000 | idaholab/moose This Project | C++ | ★ 2.4K | |
| #5,001 | ryanb/dotfiles | Vim Script | ★ 2.4K | Compare ↗ |
| #5,002 | fjall-rs/fjall | Rust | ★ 2.4K | Compare ↗ |
| #5,003 | FoedusProgramme/Gramophone | Kotlin | ★ 2.4K | Compare ↗ |
| #5,004 | otwcode/otwarchive | Ruby | ★ 2.4K | Compare ↗ |
| #5,004 | OpenMouse-Project/openmouse | TypeScript | ★ 2.4K | Compare ↗ |
Frequently Asked Questions
What does moose do? +
Multiphysics Object Oriented Simulation Environment: A robust, modern, extendable, finite element/finite volume framework that excels at creating complex multiphysics simulations.
Is moose actively maintained in 2026? +
Yes, moose is actively maintained. The latest code push was recorded on Nov 2, 2026 (10 days ago). It holds a calculated Maintenance Health Score of 90/100 (A rating) with 2,401 stars and 2,900 open issues.
What language is moose written in? +
The primary language is C++. Topics include: amr, fem, finite-elements, finite-volumes, multiphysics.
How many stars does moose have? +
moose has 2,401 stars and 1,276 forks on GitHub.
How does moose rank among GitHub repositories? +
With 2,401 stars, idaholab/moose is ranked #5,000 globally across all repositories tracked on GitHubRepo and #371 among C++ projects.
What license is moose distributed under? +
The repository reports a LGPL-2.1 license. Always verify the repository LICENSE file for legal terms.
