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ros2/rcl

Library to support implementation of language specific ROS Client Libraries.

C++ ◇ hacktoberfest Apache-2.0
★171STARS
⑂210FORKS
!81ISSUES
🏆#14,466GLOBAL RANK
🔥14DAYS TRENDING
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Momentum

+10

STARS · LAST 30 DAYS

1

PER DAY

#1,102

MOST-STARRED C++

Window7 days30 days90 days
Stars gained+0+10+90
Per day111
Forks gained+0+4+11

rcl gained 10 stars in the last 30 days, about 1 a day, and now has 171. It is about 12 years old and has averaged roughly 14 stars a year. It ranks #1,102 among C++ repositories and #14,466 across all languages on GitHubRepo.

Trending Record

rcl has maintained a continuous presence across global trending indexes, peaking at #9481. Below is the 30-day activity profile:

💡 Overview

rcl is an open-source project written in C++: Library to support implementation of language specific ROS Client Libraries.

Engineered for speed, consistency, and developer ease, it solves common hurdles in hacktoberfest. 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/ros2/rcl.git
cd rcl

⚙ 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

rcl 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 rcl 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 Apache-2.0 license.

🚀 Getting Started

1

Install rcl using your package manager: `git clone https://github.com/ros2/rcl.git`

2

Initialize your project workspace or configuration file for rcl.

3

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

4

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

👍 Strengths

Active community backing with 171 GitHub stars and verified adoption.
Permissive open-source distribution under the Apache-2.0 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.

⇄ Alternatives & Direct Competitors

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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

ros2/rcl is currently ranked #14,466 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

RankRepositoryLanguageStarsAction
#14,432 szymdzum/browser-debugger-cli TypeScript ★ 172 Compare ↗
#14,432 kstevica/captain-claw Python ★ 172 Compare ↗
#14,432 misantronic/RAOfflineProxy Python ★ 172 Compare ↗
#14,432 fiyo/DBCheck Python ★ 172 Compare ↗
#14,432 antongulin/opencode-skill-creator TypeScript ★ 172 Compare ↗
#14,466 ros2/rcl This Project C++ ★ 171
#14,466 evan/ultrasphinx Ruby ★ 171 Compare ↗
#14,466 face/activity_streams Ruby ★ 171 Compare ↗
#14,466 iamfmjk/etsy Ruby ★ 171 Compare ↗
#14,466 mojombo/bertrpc Ruby ★ 171 Compare ↗
#14,466 tdiary/tdiary-core Ruby ★ 171 Compare ↗
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Frequently Asked Questions

What does rcl do? +

Library to support implementation of language specific ROS Client Libraries.

What language is rcl written in? +

The primary language is C++. Topics include: hacktoberfest.

Is rcl actively maintained? +

Yes, the last recorded push was on Oct 5, 2026 with 81 open issues being tracked.

How many stars does rcl have? +

rcl has 171 stars and 210 forks on GitHub.

How does rcl rank among GitHub repositories? +

With 171 stars, ros2/rcl is ranked #14,466 globally across all repositories tracked on GitHubRepo and #1,102 among C++ projects.

What license is rcl distributed under? +

The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.

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