projectchrono/chrono
High-performance C++ library for multiphysics and multibody dynamics simulations
Star History
Momentum
+76
STARS · LAST 30 DAYS
3
PER DAY
#98
MOST-STARRED C++
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +21 | +76 | +270 |
| Per day | 3 | 3 | 3 |
| Forks gained | +3 | +13 | +32 |
chrono gained 76 stars in the last 30 days, about 3 a day, and now has 3.1K. It is about 13 years old and has averaged roughly 235 stars a year. It ranks #98 among C++ repositories and #1,479 across all languages on GitHubRepo.
Trending Record
5
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 #1,479 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #1,474 | twmb/franz-go | Go | ★ 3.1K | Compare ↗ |
| #1,475 | widelands/widelands | C++ | ★ 3.1K | Compare ↗ |
| #1,476 | uncrustify/uncrustify | C++ | ★ 3.1K | Compare ↗ |
| #1,476 | RevenueCat/purchases-ios | Swift | ★ 3.1K | Compare ↗ |
| #1,478 | anthropics/commerce-agents | Python | ★ 3.1K | Compare ↗ |
| #1,479 | projectchrono/chrono This Project | C++ | ★ 3.1K | |
| #1,479 | envoyproxy/gateway | Go | ★ 3.1K | Compare ↗ |
| #1,481 | RoversX/LaunchNext | Swift | ★ 3K | Compare ↗ |
| #1,482 | javamelody/javamelody | Java | ★ 3K | Compare ↗ |
| #1,483 | stephenberry/glaze | C++ | ★ 3K | Compare ↗ |
| #1,484 | kane50613/takumi | Rust | ★ 3K | Compare ↗ |
Frequently Asked Questions
What does chrono do? +
High-performance C++ library for multiphysics and multibody dynamics simulations
What language is chrono written in? +
The primary language is C++. Topics include: flexible-body, fluid-solid-interaction, granular-dynamics, modeling, multibody-dynamics.
Is chrono actively maintained? +
Yes, the last recorded push was on Sep 26, 2026 with 12 open issues being tracked.
How many stars does chrono have? +
chrono has 3,053 stars and 638 forks on GitHub.
How does chrono rank among GitHub repositories? +
With 3,053 stars, projectchrono/chrono is ranked #1,479 globally across all repositories tracked on GitHubRepo and #98 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.
