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SWIFTSIM
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SWIFTSIM/SWIFT

Modern astrophysics and cosmology particle-based code. Mirror of gitlab developments at https://gitlab.cosma.dur.ac.uk/swift/swiftsim

C ◇ astrophysics LGPL-3.0
★160STARS
⑂81FORKS
!18ISSUES
🏆#9,189GLOBAL RANK
🔥2DAYS TRENDING
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Momentum

+10

STARS · LAST 30 DAYS

1

PER DAY

#106

MOST-STARRED C

Window7 days30 days90 days
Stars gained+7+10+90
Per day111
Forks gained+1+3+10

SWIFT gained 10 stars in the last 30 days, about 1 a day, and now has 160. It is about 9 years old and has averaged roughly 18 stars a year. It ranks #106 among C repositories and #9,189 across all languages on GitHubRepo.

Trending Record

SWIFT has maintained a continuous presence across global trending indexes, peaking at #7893. Below is the 30-day activity profile:

💡 Overview

SWIFT is an open-source project written in C: Modern astrophysics and cosmology particle-based code. Mirror of gitlab developments at https://gitlab.cosma.dur.ac.uk/swift/swiftsim.

Engineered for speed, consistency, and developer ease, it solves common hurdles in astrophysics, cosmology, gravity. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.

⚡ Key Features

1

Optimized execution pipeline written in C for predictable speed.

2

Zero-friction configuration with comprehensive sensible defaults out of the box.

3

Cross-platform runtime support across Linux, macOS, and Windows environments.

4

Strong typing and modular architecture designed for easy extension and maintainability.

5

Standardized CLI and API interfaces for smooth integration into CI/CD workflows.

6

Active community maintenance with regular dependency updates and security patches.

📥 Installation

terminal
$ git clone https://github.com/SWIFTSIM/SWIFT.git
cd SWIFT

⚙ System Requirements

Platforms

  • • macOS
  • • Linux
  • • Windows

Runtime & Dependencies

C99 or C11 compiler with CMake / make

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

🧠 How It Works

SWIFT 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 SWIFT 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-3.0 license.

🚀 Getting Started

1

Install SWIFT using your package manager: `git clone https://github.com/SWIFTSIM/SWIFT.git`

2

Initialize your project workspace or configuration file for SWIFT.

3

Import SWIFT into your codebase or invoke it directly from your terminal.

4

Execute your test suite or run `SWIFT --help` to verify successful setup.

👍 Strengths

Active community backing with 160 GitHub stars and verified adoption.
Permissive open-source distribution under the LGPL-3.0 license.
Built in C for high execution speed and developer familiarity.
Cross-platform compatibility across modern Linux, macOS, and Windows environments.
Clean modular design allowing flexible configuration and pipeline integration.

⚠️ Considerations

Requires familiarity with C and modern CLI workflows.
Ecosystem extensions may require manual configuration depending on environment constraints.
Active development roadmap means breaking API changes may occur across major versions.

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👥 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

SWIFTSIM/SWIFT is currently ranked #9,189 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

RankRepositoryLanguageStarsAction
#9,163 cloudbees-oss/zendesk-java-client Java ★ 161 Compare ↗
#9,163 apache/maven-enforcer Java ★ 161 Compare ↗
#9,163 luccastera/api-throttling Ruby ★ 161 Compare ↗
#9,163 FranckyB/ComfyUI-Prompt-Manager JavaScript ★ 161 Compare ↗
#9,163 ChurchApps/B1Admin TypeScript ★ 161 Compare ↗
#9,189 SWIFTSIM/SWIFT This Project C ★ 160
#9,189 peakflo/20x TypeScript ★ 160 Compare ↗
#9,189 Mikeli7666/DuoBar Swift ★ 160 Compare ↗
#9,189 ProxyScrape/free-proxy-list Python ★ 160 Compare ↗
#9,189 wycats/textmate Ruby ★ 160 Compare ↗
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Frequently Asked Questions

What does SWIFT do? +

Modern astrophysics and cosmology particle-based code. Mirror of gitlab developments at https://gitlab.cosma.dur.ac.uk/swift/swiftsim

What language is SWIFT written in? +

The primary language is C. Topics include: astrophysics, cosmology, gravity, hpc, hydrodynamics.

Is SWIFT actively maintained? +

Yes, the last recorded push was on Oct 1, 2026 with 18 open issues being tracked.

How many stars does SWIFT have? +

SWIFT has 160 stars and 81 forks on GitHub.

How does SWIFT rank among GitHub repositories? +

With 160 stars, SWIFTSIM/SWIFT is ranked #9,189 globally across all repositories tracked on GitHubRepo and #106 among C projects.

What license is SWIFT distributed under? +

The repository reports a LGPL-3.0 license. Always verify the repository LICENSE file for legal terms.

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