Closure Compiler Alternatives

JavaScript Obfuscator is a free online tool that obfuscates your source code, preventing it from being stolen and used without permission.

Open Source

JavaScript parser, mangler, optimizer and beautifier toolkit for ES6+

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JavaScript minifier, beautifier, mangler and parser toolkit.

Open Source

Free code snippet to lock javascript files to your domain. Protect javascript code. Easy cut & paste script. Prevent unauthorized use of your scripts and deter code theft.

Yahoo JS/CSS Compressor

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

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

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

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

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

Babel is a compiler for writing next generation JavaScript.

Open Source

Gnirts is a JavaScript library for obfuscating string literals by encoding them as different string literals.

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