oxicop is billed as an extremely fast Ruby linter, written in Rust.
oxicop reads .rubocop.yml from your project root automatically — no extra flags needed.
This is free and open source software.
Key Features
- A drop-in rubocop replacement. 2-30x faster with the same .rubocop.yml config.
- Replaces rubocop for the most common linting checks — no Ruby runtime needed.
- 570 built-in cops across Layout, Style, Lint, Naming, Metrics, and Security categories.
- Native parallelism. Files are checked concurrently out of the box.
- A single static binary. ~3MB. No dependencies. Installs in seconds.
- Built-in .gitignore support. Respects your project structure automatically.
- JSON, compact, and human-readable output formats for CI and editor integrations.
- Reads your existing .rubocop.yml — enable, disable, and configure cops without learning a new format.
Website: github.com/npow/oxicop
Support:
Developer: oxicop contributors
License: MIT License
oxicop is written in Ruby. Learn Ruby with our recommended free books and free tutorials.
Related Software
| Ruby Linters | |
|---|---|
| RuboCop | Ruby static code analyzer and formatter |
| Reek | Examines Ruby classes, modules, and methods |
| Brakeman | Static analysis tool |
| ERB Lint | Lint your ERB or HTML files |
Read our verdict in the software roundup.
Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Know a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |

