Checkstyle Alternatives

SonarQube, a core component of the Sonar solution, is an open source, self-managed tool that systematically helps developers and organizations deliver Clean Code.

Open Source freemium $150.0 / Annually

The industry’s most comprehensive AppSec platform, Checkmarx One is fast, accurate, and accelerates your business.

ReSharper is a productivity tool for visual studio that provides tools and features to help you manage your code.

Find and fix defects in your Java, C/C++ or C# open source project for free

Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.

Python & Django IDE with intelligent code completion, on-the-fly error checking, quick-fixes, and much more...

Veracode's application security software products are simpler and more scalable to increase the resiliency of your application infrastructure.

Drive software quality by data and in a joint effort of all contributors – using our Software Intelligence platform Teamscale.

paid Free Trial

Complete application security as a service (AppSec SaaS) solution with SAST, DAST, IAST, RASP, SCA (open source security), and developer security training.

PMD scans Java source code and looks for potential problems like:

Findbugs is a tool that looks for bugs in Java code. Findbugs finds the bugs by analyzing computer software without actually executing programs. Using this software allows for easy debugging and repairing broken script. Read more about FindBugs.

Open Source

Pylint is a Python source code analyzer which looks for programming errors.

Babel is a compiler for writing next generation JavaScript.

Open Source