Code quality is a very important subject to address in the open source community. The code we write on our free time has the ability to impact millions of people around the world and could potentially be included in millions of projects. Improving the quality of open source code can be something as simple as fixing some typos, or as complicated as cleaning up a large piece of code without breaking external dependent projects.
When it comes to your source code, you can’t afford to have bad code quality. There are many factors that you can consider when trying to determine an open source code’s quality. In this article, we are going to go over the different types of code quality along with some best practices.
Software 1: Codebrag
Codebrag is one of the best open-source code review tools that are quite simple to use. It is mainly used to review inline comments and likes, smart email notifications, non-blocking code, and more.
It is a light-weight review tool that makes the whole process of review entertaining and structured. Furthermore, it offers an agile code review that helps deliver a high-quality application.
Features
- Lets you easily track your tasks with a simple to‑do list
- Offers full IDE integration and also allows it to be installed locally
- Easily manage all comments and commits in one place
Pros
- Perfect keyboard navigation
- Easy to install
Cons
- No syntax highlight
Software 2: Gerrit
Gerrit is another free and open-source code review tool that can help you review code on a web browser. It is a self-hosted and light-weight solution. It enables all the committers on a project to keep track of all the changes made.
The most significant advantage is that it gives you the chance to review the changes before accepting the codebase. Besides, the change facilitator can open conversations about the changes by leaving comments and notes.
Features
- Can be integrated with Git — a distributed Version Control System
- Can use it to discuss a few detailed segments of the code
- Offers repository management for Git
Pros
- Easy to fix compilation errors
- You can manage version history for future references
- Fine-grained access control
- Has 2-level gates to give a green signal to the code
Cons
- Works only with Git
- Slower than other collaborating tools
- UI is very native
- Takes time to get hold of the software by the developers
Software 3: Reviewable
Reviewable is one of the best open-source code review tools in terms of both functionality and appearance. It offers a clean and interactive UI that enables you to perform advanced functionality with ease. Using the device, you can perform actions like comparing the diffs of any two revisions of a file or installing customizable logic that enables you to know if the review of code is complete or not.
Features
- Enables seamless integration and minimal admin work
- Improves the code quality by highlighting the syntax
- Lets you map line comments across file revisions and stays in place until it is resolved
Pros
- Batch commenting is possible
- Easy incremental reviewing
- Language agnostic
- Made on modern UI elements
Cons
- Integrates with only GitHub
- Doesn’t have a simple interface
- Houses some unnecessary functionalities
Software 4: ReviewBoard
ReviewBoard is a simple yet powerful free code review tool that makes the whole process of reviewing thoroughly. It provides functionalities like diff and the ability to make comments.
Besides, it is relatively easy- and- quick to learn and provides a clean interface. ReviewBoard is the best option for developers who are looking for a no-frills code review. It has 1.2K GitHub stars and 369 GitHub forks.
Features
- Provides syntax highlight that makes it highly readable
- Supports pre-commit and post-commit reviews
- Seamlessly integrates with ClearCase, CVS, Perforce, Plastic, and more
Pros
- Self-hosted
- Unified review queue with detailed information
- Reviews are composed of multiple comments, not just one
- Extensive remote API
Cons
- Might increase manual steps to your workflow
- Not a part of the mainstream GitHub workflow
- Emails formatting is complicated
Software 5: Phabricator Differential (Open Source)
Phabricator Differential is a free code review tool that enables you to download and install it on your own hardware or launch a hosted instance with them. It is considered the best code review tool amongst the top open-source code review tool.
What’s more, you can use it HG, Git, and SVN. And if that wasn’t enough, this free code review tool also allows for easy team discussion, planning, testing, and coding. The plus point is that it is scalable to multiple servers.
Features
- Enables developers to leave comments and notes
- Allows you to publish all repositories to mirrors
- Easily host the repository locally
Pros
- Powerful and fast
- Highly scalable
Cons
- Interface is clumsy
Software 6: Rhodecode
Rhodecode is a popular open-source code review tool that makes it easy to handle code management. It is well protected, enterprise source code management system that serves as an integrated tool for Mercurial, Git, and Subversion.
It offers two editions. The first one is licensed per user named Enterprise Edition, and the other is Community Edition — a free and open-source version.
Features
- Automates the workflow for faster collaboration
- Allows for team collaboration for better code quality check
- Enables you to integrate with the existing code base with new issue tracker tools
Pros
- A secure code review tool
- Centralized user management
- Support 3 major version control systems: Mercurial, Git & Subversion
- Open-source and highly secure
- Online editing with preview
Cons
- Hard to maintain
Software 7: CodeStriker
The last on our list is Codestriker, which is an open-source code review tool. Using the device, you can easily record issues, leave comments, and notes in a database. It supports reviews of traditional documents and diffs generated by an SCM system and plain unidiff patches. There is a plug-in architecture for supporting issue tracking systems.
What’s more, it minimizes paperwork and provides a clean interface for performing code inspections.
Features
- Can be easily integrated with Bugzilla, CVS, ClearCase, etc.
- Enables you to record code inspection metrics as a part of the process
- Runs on all of the important platforms and browsers
Pros
- Easy integration
- Highly-configurable metrics subsystem
Cons
- Not much used or talked about
- Complex interface
Software 8: SmartBear
SmartBear has automated software, Collaborator, to help you with your code quality instantly. It supports most of the version control systems like Subversion, CVS, TFS, Perforce, and Git.
This Smartbear’s software allows reporting and analysis of key metrics along with reviewing design documents related to your code review process. With SmartBear, you can reduce your rework and get answers quickly.
Features
- Track and manage defects
- Build custom review templates
- Collaborate on documents and software artifacts
- Improve processes with reporting
- Integrates with most of the version control systems
- Save reviews to a Zip file
Pros
- Takes less than a day to set up the software
- The administration panel is easy to navigate
Cons
- The reporting feature seems canned
- Customizing a report is complex
Conclusion
Our goal for this post is to help provide guidance and awareness when it comes to code quality. We should never lose sight of the fact that there is always room for improvement. We might think our code is great, but without looking at the whole picture, how can we really know? By taking a comprehensive look at all elements of your application, you will be able to better identify problem areas where improvements can be made.
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