This is check50, a command-line program with which you can check the correctness of your programs.
⚡ Executive Summary & Quick Facts
Authoritative Sourcecheck50 is check50 is an open-source project written in Python: This is check50, a command-line program with which you can check the correctness of your programs..
| Repository | cs50/check50 ↗ |
|---|---|
| Primary Category | developer tools |
| Language & Stack | Python |
| Software License | GPL-3.0 |
| Community Traction | ★ 462 stars · ⑂ 303 forks · #9,495 globally |
| Maintenance | ● Active (Last commit: Oct 13, 2026) · 22 open issues |
| Target Audience | Developers and engineering teams building with Python, seeking reliable, tested, and actively maintained tooling for production workloads. |
Star History
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+12
STARS · LAST 30 DAYS
1
PER DAY
#1,254
MOST-STARRED Python
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +12 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +6 | +15 |
check50 gained 12 stars in the last 30 days, about 1 a day, and now has 462. It is about 10 years old and has averaged roughly 46 stars a year. It ranks #1,254 among Python repositories and #9,495 across all languages on GitHubRepo.
Trending Record
8
DAYS ON TRENDING
#8609
BEST RANK
Oct 13, 2026
FIRST APPEARANCE
Active
STATUS TODAY
check50 has maintained a continuous presence across global trending indexes, peaking at #8609. Below is the 30-day activity profile:
💡 Overview
check50 is an open-source project written in Python: This is check50, a command-line program with which you can check the correctness of your programs.
Engineered for speed, consistency, and developer ease, it solves common hurdles in Python. 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 Python 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
$ pip install check50⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Python >= 3.9, pip, virtualenv
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
check50 coordinates its core functionality through a modular Python 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 check50 into Python 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 GPL-3.0 license.
🚀 Getting Started
Install check50 using your package manager: `pip install check50`
Initialize your project workspace or configuration file for check50.
Import check50 into your codebase or invoke it directly from your terminal.
Execute your test suite or run `check50 --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Python, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
cs50/check50 is currently ranked #9,495 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #9,486 | aws/constructs | TypeScript | ★ 463 | Compare ↗ |
| #9,486 | 0no-co/GraphQLSP | TypeScript | ★ 463 | Compare ↗ |
| #9,486 | ByteNess/aws-vault | Go | ★ 463 | Compare ↗ |
| #9,486 | secondsky/sap-skills | JavaScript | ★ 463 | Compare ↗ |
| #9,486 | valen-lang/Valen | Rust | ★ 463 | Compare ↗ |
| #9,495 | cs50/check50 This Project | Python | ★ 462 | |
| #9,495 | patrikf/glip | PHP | ★ 462 | Compare ↗ |
| #9,495 | ergebnis/phpstan-rules | PHP | ★ 462 | Compare ↗ |
| #9,495 | microsoft/DacFx | C# | ★ 462 | Compare ↗ |
| #9,495 | ddterm/gnome-shell-extension-ddterm | JavaScript | ★ 462 | Compare ↗ |
| #9,495 | pacak/bpaf | Rust | ★ 462 | Compare ↗ |
Frequently Asked Questions
What does check50 do? +
This is check50, a command-line program with which you can check the correctness of your programs.
What language is check50 written in? +
The primary language is Python. Topics include: software.
Is check50 actively maintained? +
Yes, the last recorded push was on Oct 13, 2026 with 22 open issues being tracked.
How many stars does check50 have? +
check50 has 462 stars and 303 forks on GitHub.
How does check50 rank among GitHub repositories? +
With 462 stars, cs50/check50 is ranked #9,495 globally across all repositories tracked on GitHubRepo and #1,254 among Python projects.
What license is check50 distributed under? +
The repository reports a GPL-3.0 license. Always verify the repository LICENSE file for legal terms.
