Open Source Code Review Software
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Code Review Software
View 70 business solutionsBrowse free open source Code Review software and projects below. Use the toggles on the left to filter open source Code Review software by OS, license, language, programming language, and project status.
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tkdiff
Side-by-side diff viewer, editor and merge preparer
tkdiff is a graphical front end to the diff program. It provides a side-by-side view of the differences between two text files, along with several innovative features such as diff bookmarks, a graphical map of differences for quick navigation, and a facility for slicing diff regions to achieve exactly the merge output desired. -
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SonarQube
Continuous inspection
SonarQube empowers all developers to write cleaner and safer code. Thousands of automated Static Code Analysis rules, protecting your app on multiple fronts, and guiding your team. Catch tricky bugs to prevent undefined behavior from impacting end-users. Fix vulnerabilities that compromise your app, and learn AppSec along the way with Security Hotspots. Make sure your codebase is clean and maintainable, to increase developer velocity! We embrace progress - whether it's multi-language applications, teams composed of different backgrounds or a workflow that's a mix of modern and legacy, SonarQube has you covered. SonarQube fits with your existing tools and pro-actively raises a hand when the quality or security of your codebase is at risk. SonarQube can analyse branches of your repo, and notify you directly in your Pull Requests! -
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Eclipse Checkstyle Plug-in
Integrates Checkstye into the Eclipse IDE
The Eclipse Checkstyle plug-in integrates the Checkstyle Java code auditor into the Eclipse IDE. The plug-in provides real-time feedback to the user about violations of rules that check for coding style and possible error prone code constructs. -
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VisualCodeGrepper V2.3.2
Code security review tool for C/C++, C#, VB, PHP, Java, PL/SQL, COBOL.
VCG is an automated code security review tool for C++, C#, VB, PHP, Java, PL/SQL and COBOL, which is intended to speed up the code review process by identifying bad/insecure code. New beta functionality has been added for R. It has a few features that should make it useful. In addition to performing some more complex checks it also has a config file for each language that basically allows you to add any bad functions (or other text) that you want to search for. It attempts to find phrases within comments that can indicate broken code and it provides stats and a pie chart (for the entire codebase and for individual files) showing relative proportions of code, whitespace, comments, 'ToDo'-style comments and bad code. I've tried to produce something which searches intelligently for buffer overflows and signed/unsigned comparison in C, violations of OWASP recommendations in Java code, etc. Current version: 2.3.2 -
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Pylint
It's not just a linter that annoys you!
Pylint is a static code analyzer for Python 2 or 3. The latest version supports Python 3.7.2 and above. Pylint analyses your code without actually running it. It checks for errors, enforces a coding standard, looks for code smells, and can make suggestions about how the code could be refactored. Projects that you might want to use alongside pylint include flake8 (faster and simpler checks with very few false positives), mypy, pyright or pyre (typing checks), bandit (security-oriented checks), black and isort (auto-formatting), autoflake (automated removal of unused import or variable), pyupgrade (automated upgrade to newer python syntax) and pydocstringformatter (automated pep257). Pylint isn't smarter than you: it may warn you about things that you have conscientiously done or checks for some things that you don't care about. During adoption, especially in a legacy project where pylint was never enforced. -
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Flow
A static type checker for JavaScript
Flow is a static type checker for JavaScript. It was designed to help improve code quality and developer productivity. It does this through several smart capabilities. First, it identifies problems as you code, so you no longer have to waste time guessing and checking again and again. Second, it understands your code and makes its knowledge available, allowing you to build other smart tools on top of it. Third, it helps you refactor safely so you can focus on the changes you want to make and not on what you might break. Lastly, it can help prevent bad rebases and protect your carefully designed library, which is especially relevant when working with a large group of developers. Flow integrates with many tools, so you can easily and seamlessly insert it into your existing workflow and toolchain. -
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Roslyn
The .NET Compiler Platform
Roslyn provides rich, code analysis APIs to open source C# and Visual Basic compilers. This enables you to access a wealth of information about your code from compilers, which you can then use for code-related tasks in your tools and applications. Roslyn dramatically lowers the barrier to entry for creating code-focused tools and applications, creating many opportunities for innovation. -
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Static Analysis Tools for PHP
Docker image that provides static analysis tools for PHP
Docker image providing static analysis tools for PHP. The list of available tools and the installer is actually managed in the jakzal/toolbox repository. Docker image with quality analysis tools for PHP. To run the selected tool inside the container, you'll need to mount the project directory on the container with -v "$(pwd):/project". Some tools like to write to the /tmp directory (like PHPStan, or Behat in some cases), therefore it's often useful to share it between docker runs, i.e. with -v "$(pwd)/tmp-phpqa:/tmp". If you want to be able to interrupt the selected tool if it takes too much time to complete, you can use the --init option. Some tools are not included in the docker image, to use them refer to their documentation. Provides utilities to report legacy tests and usage of deprecated code. -
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OpenCover
Code coverage tool for .NET 2 and above
OpenCover is a free and open source code coverage tool for .NET 2 and above (Windows OSs only - no MONO), with support for 32 and 64 processes and covers both branch and sequence points. It uses the profiler API that is currently only available to .NET Frameworks running on the Windows platform. OpenCover is an attempt at building a code coverage utility that addresses certain issues in maintaining PartCover support for 64-bit processes. -
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Sentry
Cross-platform application monitoring and error tracking software
Sentry is a cross-platform, self-hosted error monitoring solution that helps software teams discover, monitor and fix errors in real-time. The most users and logs will have to provide are the clues, and Sentry provides the answers. Sentry offers enhanced application performance monitoring through information-laden stack traces. It lets you build better software faster and more efficiently by showing you all issues in one place and providing the trail of events that lead to errors. It also provides real-time monitoring and data visualization through dashboards. Sentry’s server is in Python, but its API enables for sending events from any language, in any application. More than fifty-thousand companies already ship better software faster thanks to Sentry; let yours be one of them! -
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Asm-Dude
Visual Studio extension for syntax highlighting assembly
Visual Studio extension for assembly syntax highlighting and code completion in assembly files and the disassembly window. Assembly syntax highlighting and code assistance for assembly source files and the disassembly window for Visual Studio 2015, 2017 and 2019. This extension can be found in the visual studio extensions gallery or download latest installer AsmDude.vsix (v1.9.6.14). If assembly is too much of a hassle but you still want access to specific machine instructions, consider Intrinsics-Dude. The instruction sets of the x86 and the x64, but also SSE, AVX, AVX2, Xeon-Phi (Knights Corner) instructions with their descriptions are provided. Most of the regularly used Masm directives are supported and some Nasm directives. If you are not happy with highlighting or the descriptions. Mnemonics and descriptions can be added and changed by updating the AsmDudeData.xml file that will be stored next to the binaries when installing the plugin (.vsix). -
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PHP_CodeSniffer
Tokenize PHP files and detects violations of coding standards
PHP_CodeSniffer is a set of two PHP scripts; the main phpcs script that tokenizes PHP, JavaScript and CSS files to detect violations of a defined coding standard, and a second phpcbf script to automatically correct coding standard violations. PHP_CodeSniffer is an essential development tool that ensures your code remains clean and consistent. PHP_CodeSniffer requires PHP version 5.4.0 or greater, although individual sniffs may have additional requirements such as external applications and scripts. See the Configuration Options manual page for a list of these requirements. If you're using PHP_CodeSniffer as part of a team, or you're running it on a CI server, you may want to configure your project's settings using a configuration file. If you use PEAR, you can install PHP_CodeSniffer using the PEAR installer. This will make the phpcs and phpcbf commands immediately available for use. -
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Feflow
How to write cross-platform Node.js code
How to write cross-platform Node.js code. Why you should care: according to the 2018 Node.js user survey, 24% of Node.js developers use Windows locally and 41% use Mac. In production, 85% use Linux and 1% use BSD. Installers for each major OS are available on the Node.js website. To install, switch and update Node.js versions nvm can be used on Linux/Mac. It does not support Windows but nvm-windows, nvs and ps-nvm (for PowerShell) are alternatives that do. nve can be used to run a single command with one or several different Node.js versions. nvexeca can be used to do the same programmatically. The character encoding can be specified using an encoding option with most relevant Node.js core methods. While ASCII characters display correctly on all terminals, this is not the case for all characters. -
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Kodus
AI code reviews, just like your senior dev would do
Kodus-AI is a framework for building, training, and deploying intelligent agents and models, especially focusing on practical AI workflows for businesses and automation. It provides a structured set of tools and abstractions that help teams design agent behaviors, orchestrate data pipelines, optimize inference, and integrate AI capabilities with applications or services. The platform often includes model management, scalable training workflows, and orchestration patterns that help teams move from research or prototypes to production-ready AI deployments. Through configurable pipelines and a focus on modularity, it supports experimentation while maintaining reproducibility and performance. Its tooling is typically designed to handle real-world imperatives like logging, monitoring, versioning, and hooking into operational infrastructure. -
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RefactorFirst
Identifies and prioritizes God Classes Highly Coupled classes
A tool designed to automate code refactoring for developers, reducing technical debt and improving code quality. -
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Semantic
Parsing, analyzing, and comparing source code across many languages
semantic is a Haskell library and command line tool for parsing, analyzing, and comparing source code. Run semantic --help for complete list of up-to-date options. Semantic uses tree-sitter to generate parse trees, but layers in a more generalized notion of syntax terms across all supported programming languages. We'll see why this is important when we get to diffs and program analysis, but for now let's just inspect some output. It helps to have a simple program to parse. Symbols are named identifiers driven by the ASTs. This is the format that github.com uses to generate code navigation information allowing c-tags style lookup of symbolic names for fast, incremental navigation in all the supported languages. The incremental part is important because files change often so we want to be able to parse just what's changed and not have to analyze the entire project again. -
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SonarJS
SonarSource Static Analyzer for JavaScript and TypeScript
This SonarSource project is a static code analyzer for JavaScript, TypeScript and CSS languages. In order to analyze JavaScript, TypeScript or CSS code, you need to have a supported version of Node.js installed on the machine running the scan. Recommended versions are the previous LTS version v14 and the latest version - v16. We recommend using the latest available LTS version (v16 as of today) for optimal stability and performance. v12 is still supported, but it already reached end-of-life and is deprecated. If node is not available in the PATH, you can use property sonar.nodejs.executable to set an absolute path to Node.js executable. If you have a community plugin for CSS analysis installed on your SonarQube instance it will conflict with the analysis of CSS, so it should be removed. -
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Free SQL Formatter
SQL code formatter / beautifier
FSQLF - Free SQL Formatter is open source SQL code formatter and beautifier, built to make life easier for people dealing with long SQL queries. -
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Platformer 2D Godot Game
Test project with a 2D platform game developing in Godot 3.1
Test project with a 2D platform game developing in Godot 3.1, reusable mechanics for: State Machine, basics AI, Android Games. -
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FTP LiveSync
Remote code synchronization tool
Livesync allows edit server side scripts on the fly by modifying its local copy. basically it's a ftp client which can monitor changes in filesystem and upload modified file to remote server. -
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ThinkReview
AI-powered code reviews for GitLab & Azure DevOps. Zero setup. Powered
I Copilot for Gitlab and Azure DevOps Merge requests (MRs) and Pull Requests (PRs) in your browser. The extension Summarises merge requests , provided suggestions and find potential security issues , provide smart questions to dive deeper and chat with your pull requests The extension works out of the box without any complex setup - Supports custom Self hosted Gitlab as well as gitlab.com and gitlab enterprise Enhance your GitLab MRs and Azure Devops PRsworkflows with automatic patch diff access and AI-powered code reviews. Key Features: • Auto-detect MR and PR Pages: The extension automatically recognizes when you're viewing a GitLab merge request. • Works with any instance of gitlab and azure devops whether it's on a custom domain or on gitlab.com • Integrated AI Code Review: Get instant AI-powered code reviews displayed directly in the GitLab interface. • Seamless GitLab Integration: The extension adds functionality without disrupting the GitLab experience. -
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CodeCounter
Recursive source code line counter for C, BASIC, and web files.
Recursively count lines of source code and comments through files and sub-directories. Created to parse entire projects rather than individual files. C, BASIC, and web files (general) supported. -
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AdLint
Open source and free source code static analyzer
AdLint is a source code static analyzer. It can point out insecure or nonportable code fragments, and can measure various quality metrics of the source code. It (currently) can analyze source code compliant with ANSI C89 / ISO C90 and partly ISO C99. AdLint is written in Ruby. So, it is available for Windows, Mac OS X, GNU/Linux, FreeBSD and any other platforms supported by Ruby. -
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Essais en SFML avec le C/C++.
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CSS Scanner
CSS Scanner helps you clean and tidy up your css/stylesheet
CSS Scanner scans your projects (HTML, ASPX, PHP, JavaScript, jQuery) use of css classes and selectors and compares it to your CSS/stylesheet files. It then lists you those CSS selectors and classes that are not used or not defined and those which are used. This way it helps you get an overview of your CSS/stylesheet definitions and lets you easily clean them up. There's a precompiled .msi installer for Windows avaliable for download. Just install and find CSS Scanner in your start menu folder "CSS Scanner". Click on the info icons of the GUI if you need help.
Guide to Open Source Code Review Software
Open source code review software is a type of software specifically designed to help developers identify problems in their source code and correct them. It allows developers to quickly analyze their own software or that of other developers to make sure it meets certain standards or specifications. By using an open source code review tool, developers can evaluate the quality of code, check for potential bugs and security flaws, optimize performance, and improve coding practices within the organization.
This type of software provides access to a variety of review capabilities such as automated testing tools, peer reviews, and defect tracking systems. Automated testing tools are used to compare different versions of the same program in order to identify any differences between them. Peer reviews involve having experienced professionals examine the project's design, coding architecture, and user experience in order to make sure everything fits together correctly. Lastly, defect tracking systems provide a way for users to assign tasks related to bug fixes or feature development which can be tracked by everyone involved in the project.
Open source code review software allows teams or organizations to collaborate on projects more efficiently by creating transparent communication channels across all levels of development such as management, technical staffs and external stakeholders who may be involved in specific stages within the production cycle. They usually include features that enable team members or contributors working remotely from different locations around the world—for example distributed version control systems (DVCSs), issue-tracking databases like JIRA with integrated bug reports and feature requests so team members can monitor progress without needing manual updates from each other. Additionally they offer synchronization services which allow admins to keep source codes up-to-date allowing remote workers access latest versions when needed even if changes have been made since they last logged into system.
In summary open source code review provides powerful tools for managing complex projects; where transparency between team members is paramount for successful completion. For unique features may require specific types tools not provided by this type software custom application programming interfaces (APIs) could be developed easily accommodate needs any organization or individual looking build best possible product available market today
Open Source Code Review Software Features
- Code Review: This feature allows users to easily review, navigate, and analyze source code. It has support for many popular languages, including Java, C++, C# and HTML. The code can be reviewed side-by-side with the original source tree so that changes can be more quickly identified and tracked.
- Issue Tracking: This feature tracks potential issues with a project’s codebase by highlighting potential bugs or security vulnerabilities and providing comments from collaborators about possible solutions. Administrators can also assign tasks to other developers for resolving any flagged issues.
- Collaboration Tools: Open source code review software typically provides tools for sharing code snippets between team members or in a larger community context. It facilitates communication by allowing users to comment on snippets of code directly within the software's interface, as well as through notifications sent via email or text message.
- Version Control & History Management: Most open source systems provide version control and history management capabilities in order to keep track of changes made to a project’s code over time. These features make it easy to compare different versions of code based on specific points in time or commit messages associated with those versions.
- Automated Analysis & Reports: Many open source systems provide automated analysis tools which detect structural patterns within the project’s source files and generate reports containing detailed information about them (e.g., various metrics such as cyclomatic complexity). Additionally they often contain built-in API connectors which allow integrations/reports from external tooling/services (such as coverage reporting services).
What Types of Open Source Code Review Software Are There?
- Gerrit: Gerrit is a self-hosted open source code review platform. It provides an integrated system for peer review, version control, and automated tests. It supports code collaboration from developers around the world with features like patch sets, continuous integration support, and advanced reporting tools.
- Phabricator: Phabricator is a web-based open source code review tool that enables users to collaborate on software projects in real time. It allows developers to manage tasks and develop faster by having conversations within their development environment. With features like task creation, reviewing pull requests, and advanced analytics, it makes developing efficient and enjoyable.
- GitLab Code Review: GitLab Code Review is an open source tool designed specifically for developers who want to ensure high quality code before deploying it in production environments. This tool allows teams of developers to discuss new changes and review them together without having to commit any code until they’re happy with it. Unnecessary tasks are also reduced through automation capabilities such as linting and unit testing.
- GitHub Pull Requests: GitHub Pull Requests allow developers to easily submit proposed changes which can then be reviewed by other members of their team or project contributors before being merged into the main branch of the repository. This facilitates distributed collaboration on software projects since all proposed changes are visible for everyone working together on the same project at once allowing quick fixes or improvements in no time at all.
- Bitbucket Reviews: Bitbucket Reviews provide an easy way for multiple people to collaborate on changes within version control before they're committed forever into the official production environment while enabling each user's peers an opportunity to suggest improvements or quick fixes using comments along with voting options that indicate agreement or disagreement of a particular change applied by another person in real time making it convenient for everyone involved who wants input with coding efforts throughout various phases of development regardless if it’s initial setup or ongoing modifications needed over time due major bug issues or conducting routine maintenance checks too
Benefits of Open Source Code Review Software
- Increased Quality: Open source code review software can improve the overall quality of a product by allowing developers to find and identify issues before deployment. This can save time and money by avoiding costly testing and rework cycles.
- Improved Collaboration: With open source code review tools, teams are able to collaborate more effectively on projects. Teams can share ideas and feedback quickly with multiple reviewers at once, fostering better communication between developers.
- Streamlined Testing Processes: Automated code reviews can help streamline the process of sanity tests, improving efficiency and accuracy. Automation also allows teams to run additional tests that would otherwise require manual effort or not be possible in some cases.
- Enhanced Security: Open source code review software allows developers to check for security vulnerabilities and/or malicious activities within their own code as soon as it’s written. This helps protect against potential threats from hackers or other malicious actors which could lead to data loss or irreparable damage to a system’s functionality.
- Increased Visibility: Finally, open source code reviews provide greater visibility into how a project is progressing, allowing teams to make timely changes if needed while enabling them keep up with the latest best practices and trends related to development project management.
Types of Users That Use Open Source Code Review Software
- Software Developers: These individuals use open source code review software to review their own code and the code of other developers. They are usually looking for bugs, identify areas for improvement, or collaborate with others on projects.
- System Administrators: System administrators use open source code review software to ensure that all changes made to system configurations are secure and correct. They also use it to roll out new features and verify the accuracy of systems maintenance operations.
- Security experts: Security experts can take advantage of open source code review software by analyzing the security risks associated with specific portions of source code before they’re committed to a project or system. This helps them identify any potential vulnerabilities that could be exploited by malicious actors.
- Quality Assurance (QA) Professionals: These professionals typically rely on open source code review software during the development cycle in order to check for errors or flaws within applications or systems before they’re released into production environments.
- UX Designers: UX designers leverage open source code review tools when building interface designs as this helps them quickly create prototypes and measure user experience metrics throughout the design process. It also allows them to get real-time feedback from users regarding their designs without having to deploy fully developed versions of a product first.
- Project Managers: Project managers often utilize open source code review tools when scheduling tasks, tracking progress, sharing resources, estimating timelines, and tracking budgets. This helps them quickly identify development bottlenecks and optimize resource utilization across teams working on different aspects of a project at the same time.
How Much Does Open Source Code Review Software Cost?
Open source code review software is available for free. This means that businesses and individual users can access the software without paying any upfront cost. The benefits of open source code review software include lower maintenance costs as there are no licenses or subscription fees, as well as a wide range of features made possible by the collaborative nature of open source communities. In addition, since open source projects are often supported by a robust user community, bugs and other issues tend to be addressed quickly and efficiently.
However, while the initial cost of obtaining an open source code review tool may be zero, it should still not be overlooked that some associated costs may arise with using such tools over time. For instance, businesses requiring professional support services or custom feature development may need to pay for such services in order to use their chosen open source solution effectively. Additionally, in larger-scale operations involving multiple teams working on different projects simultaneously, additional costs may appear related to infrastructure and scalability requirements (e.g., cloud hosting). So while it's true that many excellent options exist when it comes to free or low-cost code review tools, companies should consider the long-term costs associated with utilizing any particular option before making their decision.
What Software Does Open Source Code Review Software Integrate With?
Software that can integrate with open source code review software typically includes tools and services related to the development process, such as bug tracking and version control systems. Moreover, automated testing platforms can be integrated into an open source code review software setup in order to streamline the code review process. Additionally, for those using a continuous integration (CI) system, it is possible to automatically trigger builds when code changes are made so that each commit is tested before being merged into a shared repository. Finally, popular collaboration tools such as Slack or Microsoft Teams can also be used together with open source code review software to simplify communication between team members involved in the reviewing process.
Open Source Code Review Software Trends
- Increased Transparency: Open source code review software has allowed for a transparent development process, as code changes can be tracked and discussed in an open forum. This has enabled developers to collaborate more effectively, as well as make sure that code is up to high standards before it is deployed.
- Increased Quality Assurance: Code reviews also provide an opportunity to detect potential bugs and defects before they become a problem in the production environment, helping to ensure that the code is of high quality before it is released.
- Improved Collaboration: Open source code review software has made it easier for developers to work together, regardless of their physical location. This has enabled teams to easily discuss changes and modifications to code, while still maintaining version control and collaboration on projects.
- Improved Security: By using code review software, developers can easily identify potential security flaws in their code before they become a major issue. This helps to ensure that the final product is secure and protected from malicious attacks.
- Lower Costs: Open source software typically requires less financial investment than proprietary solutions, making it a more cost-effective choice for organizations looking to develop quality products. Additionally, open source solutions allow for more flexibility in terms of customization and scalability, meaning organizations can tailor their solutions to their specific needs without having to invest heavily in proprietary solutions.
How Users Can Get Started With Open Source Code Review Software
Getting started with using open source code review software is relatively straightforward and can be achieved in three main steps.
First, you will need to choose the specific open source code review software that best suits your needs. This step requires doing a bit of research on what solutions are available, so you can compare features and decide which one fits your particular requirements. You may also want to consider factors such as ease of use, cost (if any) and compatibility with your existing technology stack when making the decision.
Once you’ve chosen the appropriate tool for your project, the next step is to download it from its repository or website. The installation process may vary depending on the type of computer system you are using but in most cases, it should only take a few minutes depending on how quickly your connection downloads files.
The final step is to create an account for yourself or members of your team within the code review software so everyone has access when needed. This will usually involve setting up user roles and permissions based on who needs to do what within the application so they have access to only those areas they need while keeping other parts secure if desired. Once these accounts have been set up, users can now start working with the code review software by creating reviews, assigning tasks or even file reports if required. Working with these tools can be challenging at first because there is often a lot of information to take in but over time they get simpler and easier as users learn more about their particular platform's features and functions.
