projectchrono/chrono
High-performance C++ library for multiphysics and multibody dynamics simulations
⚡ Executive Summary & Quick Facts
Authoritative Sourcechrono is chrono is an open-source project written in C++: High-performance C++ library for multiphysics and multibody dynamics simulations..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), projectchrono/chrono has accumulated 3,093 GitHub stars and 648 forks. It is written in C++, licensed under BSD-3-Clause, and ranks #4,214 globally. It is actively maintained with the latest commit recorded on Oct 16, 2026.”
| Repository | projectchrono/chrono ↗ |
|---|---|
| Primary Category | flexible body |
| Language & Stack | C++ |
| Software License | BSD-3-Clause |
| Community Traction | ★ 3.1K stars · ⑂ 648 forks · #4,214 globally |
| Maintenance | ● Active (Last commit: Oct 16, 2026) · 14 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: 92/100 · Grade AYes, chrono is actively maintained. Continuous telemetry recorded the last code commit on Oct 16, 2026 (27 days ago). Supported by 3,093 stars and 648 community forks, this repository holds a calculated health index of 92/100, reflecting regular maintenance (27 days ago) and healthy issue cadence.
Star History
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+26
STARS · LAST 30 DAYS
1
PER DAY
#310
MOST-STARRED C++
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +26 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +8 | +32 |
chrono gained 26 stars in the last 30 days, about 1 a day, and now has 3.1K. It is about 13 years old and has averaged roughly 238 stars a year. It ranks #310 among C++ repositories and #4,214 across all languages on GitHubRepo.
Trending Record
44
DAYS ON TRENDING
#631
BEST RANK
Sep 24, 2026
FIRST APPEARANCE
Active
STATUS TODAY
chrono has maintained a continuous presence across global trending indexes, peaking at #631. Below is the 30-day activity profile:
💡 Overview
chrono is an open-source project written in C++: High-performance C++ library for multiphysics and multibody dynamics simulations.
Engineered for speed, consistency, and developer ease, it solves common hurdles in flexible-body, fluid-solid-interaction, granular-dynamics. 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/projectchrono/chrono.git
cd chrono⚙ 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
chrono 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
Modern Web Interfaces
Build dynamic, responsive user experiences with component-driven architecture.
Enterprise Design Systems
Standardize design tokens, accessible widgets, and themes across engineering teams.
Interactive Data Dashboards
Render real-time telemetry, user feeds, and analytics with sub-millisecond updates.
Cross-Platform Web Apps
Deploy performant single-page applications optimized for both mobile and desktop browsers.
🚀 Getting Started
Install chrono using your package manager: `git clone https://github.com/projectchrono/chrono.git`
Initialize your project workspace or configuration file for chrono.
Import chrono into your codebase or invoke it directly from your terminal.
Execute your test suite or run `chrono --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
projectchrono/chrono is currently ranked #4,214 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
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|---|---|---|---|---|
| #4,208 | projectdiscovery/uncover | Go | ★ 3.1K | Compare ↗ |
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| #4,213 | meta/wangle | C++ | ★ 3.1K | Compare ↗ |
| #4,214 | projectchrono/chrono This Project | C++ | ★ 3.1K | |
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Frequently Asked Questions
What does chrono do? +
High-performance C++ library for multiphysics and multibody dynamics simulations
Is chrono actively maintained in 2026? +
Yes, chrono is actively maintained. The latest code push was recorded on Oct 16, 2026 (27 days ago). It holds a calculated Maintenance Health Score of 92/100 (A rating) with 3,093 stars and 14 open issues.
What language is chrono written in? +
The primary language is C++. Topics include: flexible-body, fluid-solid-interaction, granular-dynamics, modeling, multibody-dynamics.
How many stars does chrono have? +
chrono has 3,093 stars and 648 forks on GitHub.
How does chrono rank among GitHub repositories? +
With 3,093 stars, projectchrono/chrono is ranked #4,214 globally across all repositories tracked on GitHubRepo and #310 among C++ projects.
What license is chrono distributed under? +
The repository reports a BSD-3-Clause license. Always verify the repository LICENSE file for legal terms.
