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Top 11 Free and Paid Code Quality Tools for Web Developers 2020

Programming has become one of the biggest and most innovative industries on the planet. Web development, software development, software engineering, database administration, hardware engineering, even simple freelancing can bring about work related to programming and the use of code. Programming for the most part is appealing because it promises creative expression. But it’s also high-end jobs that can help skilled programmers earn up to $200,000+ a year, without having to do much more than write and optimize code.

The leading Worlds technology companies; Google, Microsoft, etc., have been known to provide its workers with incredible life-long benefits in exchange for their loyalty and service to the company. Money is oftentimes a factor for freelancers and individuals to start their self-taught programming journey, since there is no shortage of learning materials available; for any kind of programming language imaginable. Though there is one simple catch with the idea of teaching yourself how to program.

Code quality has always been an issue within the programmers communities. Good code is the kind of code that one can reuse years after it has been written. Whereas, low quality programmers will oftentimes write code that is meant to solve a problem that exists at the time of writing the code, rather than thinking ahead of time as to how to scale the code base as it grows, and how to write code that other programmers would be easily able to follow along in case of someone else having to take over a specific project. To battle this, programmers need to introduce themselves to programming language style guides, but also to code quality testing tools that enable to check code against common issues and misuses.


sonarqube code quality tool

SonarQube offers continuous code testing features that will ensure your code files, code projects, modules and folders are always tested for quality and will allow you to stay on top of the game when it comes to good quality code. The main areas of focus of the SonarQube platform are comments, coding rules, potential bugs, complexity, unit tests, duplications, and architecture & design. Whether you’re a small business company, a freelancer or a fully scaled enterprise corporation, SonarQube has something to offer to all levels of coding enthusiasts; projects.


crucible code quality tool
Even though you might have years of experience, using a code quality/review tool still helps. Crucible is a nifty solution that helps connect different team members when working on the task, so nothing inappropriate slipts through. It is best for reviewing the project, discussing changes and all the other useful information that comes along. It also allows you to track the process and make reports when necessary. Some other features of Crucible include Jira Software integration, pre-commit reviews, real-time notifications, audit, compliance and more. Along with all the amazing goodies, Crucible is also available for free during a period of thirty days (no user limitation).


upsource code quality tool
When reviewing the code, Upsource is the tool that you should consider. However, all the alternatives that you find in this collection are very promising, doing the trick without a hitch. Upsource is one more excellent solution for review and project analytics, amongst many more other specialties in between. With the software, you will easier detect flops and risks, helping you avoid the unpleasant bother. You will find parts of the project that require improvement much easier and even have a chance to integrate Upsource into your environment. Upsource also comes with tons of material that will help you get the gist of it before you fully commit.


phabricator code quality tool
Phabricator is an all-in-one tool for reviewing, testing and discussing code. Before you set the project to go live, Phabricator does the job to be certain all operates flawlessly. Still, it’s team work that helps take care of everything and do the pre-committing code review.

The features of Phabricator are very many, making it impossible to list them all here. Auditing source code, customizable task management, commenting, chat channels, business rules, you name it, Phabricator is here to take care of the essentials and heaps more. If you are ready to take action, do it with the free plan first and experience the amazingness of Phabricator. The free kit is open source and comes with no limitations as far as the usage goes.

Review Board

review board code quality tool
When building software for the next big thing, you better save time and energy with Review Board. It is a tool that helps you gain confidence that is necessary before the official launch. In other words, you need to be sure that the code operates as it should and does not collapse when going live. Review Board – hence the name – takes care of the tedious process of reviewing the code, allowing you to keep the focus on building the software first and foremost.

Review Board supports visual content, attaching PDF files, markdown attachments and text-based files. Any code changes also appear in a different color, so you immediately know what’s new and what’s old. Moreover, Review Board is compatible with Bazaar, Git, Subversion, CVS and others. Also, do not forget to take a peek at the demo, as it will allow you to get an even better understanding of how Review Board operates.


eslint code quality tool

ESLint is a tool for identifying and reporting on patterns found in ECMAScript/JavaScript code, with the goal of making code more consistent and avoiding bugs. You will need to have Node.js pre-installed in order to use ESLint. This particular linter is being used by companies like Facebook, Box, PayPal, Zendesk and many more. Linting is all about analysing the code without having to execute it; ESLint, as a tool, is somewhat of an expert in this area. Write your code, sit back and relax as it is being thoroughly optimized without the need to manipulate it.


jshint code quality tool

JSHint is another famous static code analysis tool that you can use directly from the browser. Its output gives you all the technical information about your code and its metrics, and reports back any errors like missing variables and definitions whilst highlighting them in your code. Developers and engineers from companies like Wikipedia, Mozilla, RedHat and jQuery are all using JSHint to ensure the highest code quality.


klocwork code quality tool

Klocwork is known to become a part of your development environment, rather than just an external tool that can be used for static code analysis. It will natively integrate with IDE’s like Microsofts Visual Studio, Eclipse, and IntelliJ IDEA. This gives you all the features and options of the actual Klocwork platform within your IDE. These features include automatic security scan of your code, static code analysis in real-time, refactoring of code to ensure its structure, a metrics and reporting feature to analyze team performance, visual code architecture to better understand the end result of your projects, as well as an option to have your code reviewed for additional insight and further understanding.

Code Climate

code climate code quality tool

Code Climate is a self-hosted code quality platform that helps you to test your code for test coverage, complexity, duplication, security, style, and more. You have the option to use it within the cloud for a monthly fee. It also works with GitHub. Every time you push a new commit, Code Climate will fetch and analyze it. Then, it will report back to you with potential fixes on your errors. Overall, it’s the perfect compliment towards a good and productive development environment; for individuals and teams.


pylint code quality tool

Python developers need to lint their code as well. That is why Pylint has been established. Pylint helps you analyze your Python scripts directly from within the command shell. Just load it up and specify the file that you want to check; Pylint will output all the essential information about your code.


codacy code quality tool

The last code quality tool on our list is Codacy. It is a free-to-use tool that automatically checks your code for common errors and problems. The reports come back in a stylish dashboard-like environment.

Alex Ivanovs

Alex is a freelance writer with more than 10 years of experience in design, development, and small business. His work has been featured in publications like Entrepreneur, Huffington Post, TheNextWeb, and others. You can find his personal writing at The Divine Indigo.

This Post Has 10,676 Comments

  1. God Farther says:

    I like the article, have been using SoanrQube in our java projects.

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