Best Code Coverage Tools with a Free Trial of 2025

Sahi Pro is a suite automation tools for web, Web-services, Windows desktop and Java applications. Sahi Pro features include automatic waits, recorders and accessor spy, inbuilt frame and editor, parallel playback, automatic reporting, automatic logging, and reporting. Also, Sahi Pro can save 70% of the time and effort that is normally spent on test automation. Sahi Pro has been trusted by more than 400 companies around the world and is quickly becoming the preferred tool for test automation in the agile world.

You know that you could be testing more to catch bugs earlier, but QA testing can take a lot of time, effort and resources to do it right. MuukTest can get growing engineering teams up to 95% coverage of end-to-end tests in just 3 months. Our QA experts create, manage, maintain, and update E2E tests on the MuukTest Platform for your web, API, and mobile apps at record speed. We begin exploratory and negative tests after achieving 100% regression coverage within 8 weeks to uncover bugs and increase coverage. The time you spend on development is reduced by managing your testing frameworks, scripts, libraries and maintenance. We also proactively identify flaky tests and false test results to ensure the accuracy of your tests. Early and frequent testing allows you to detect errors in the early stages your development lifecycle. This reduces the burden of technical debt later on.

Parasoft's mission is to provide automated testing solutions and expertise that empower organizations to expedite delivery of safe and reliable software. A powerful unified C and C++ test automation solution for static analysis, unit testing and structural code coverage, Parasoft C/C++test helps satisfy compliance with industry functional safety and security requirements for embedded software systems.

IntelliJ IDEA by JetBrains is an IDE for professional Java and Kotlin development. It unlocks productivity and helps you write high quality code with ease. It is designed to get the job finished. It provides all the essential tools and support for cutting-edge technologies you need. It lets you code with ease and confidence thanks to a comfortable, smooth workflow and a strong emphasis on privacy and security.

All your Python development needs are consolidated in one application. While PyCharm handles routine tasks, you can save precious time and concentrate on more significant projects, fully utilizing its keyboard-centric design to explore countless productivity features. This IDE is well-versed in your code and can be trusted for features like intelligent code completion, immediate error detection, and quick-fix suggestions, alongside straightforward project navigation and additional capabilities. With PyCharm, you can write organized and maintainable code, as it assists in maintaining quality through PEP8 compliance checks, testing support, smart refactoring options, and a comprehensive range of inspections. Created by programmers specifically for other programmers, PyCharm equips you with every tool necessary for effective Python development, allowing you to focus on what matters most. Additionally, PyCharm's robust navigation and automated refactoring features further enhance your coding experience, ensuring that you remain efficient and productive throughout your projects.

Velocity provides detailed, contextual analytics that enable engineering leaders to help their team members, resolve team roadblocks and streamline engineering processes. Engineering leaders can get actionable metrics. Velocity transforms data from commits to pull requests into the insights that you need to make lasting improvements in your team's productivity. Quality: Automated code reviews for test coverage, maintainability, and more so you can save time and merge with confidence. Automated code review comments for pull requests. Our 10-point technical debt assessment gives you real-time feedback so that you can focus on the important things in your code review discussions. You can get perfect coverage every time. Check coverage line-by-line within diffs. Never merge code again without passing sufficient tests. You can quickly identify files that are frequently modified and have poor coverage or maintainability issues. Each day, track your progress towards measurable goals.

NCrunch provides real-time tracking of your code coverage, displaying markers alongside your code for easy identification of areas with high or low coverage. This feature simplifies the process of recognizing coverage distribution across your project. Designed specifically for large and intricate projects, NCrunch has been refined over the past 12 years to accommodate the demands of extensive systems that include millions of lines of code and thousands of tests. It captures a wide array of test-related data, leveraging this information to deliver essential feedback as promptly as possible. The system prioritizes tests that have been affected by your recent code modifications, utilizing advanced IL-based change mapping for optimal performance. Additionally, NCrunch allows for offloading build and testing tasks to other machines, enabling you to distribute the workload across connected systems or even scale up to cloud resources. This collaborative approach facilitates resource sharing among developers, empowering teams to combine their testing capabilities effectively. Ultimately, this innovative functionality enhances the efficiency and productivity of the software development process.

Real-time error detection and fix suggestions, along with swift and secure refactoring options that allow for easy one-step undo, intelligent code completion, the identification of unused code, and helpful documentation prompts, assist all Go developers—from beginners to seasoned experts—in crafting fast, efficient, and dependable code. Delving into and deciphering team projects, legacy code, or unfamiliar systems can be time-consuming and challenging. GoLand's navigation tools facilitate seamless movement through code by allowing instant transitions to shadowed methods, various implementations, usages, declarations, or interfaces tied to specific types. You can easily navigate between different types, files, or symbols, and assess their usages, all while benefiting from organized grouping by the type of usage. Additionally, integrated tools enable you to run and debug applications effortlessly, as you can write and test your code without needing extra plugins or complex configurations, all within the IDE environment. With a built-in Code Coverage feature, you can ensure that your tests are thorough and comprehensive, preventing any critical areas from being overlooked. This comprehensive set of tools ultimately streamlines the development process and enhances overall productivity.

DeepSource streamlines the process of identifying and resolving code issues during reviews, including risks of bugs, anti-patterns, performance bottlenecks, and security vulnerabilities. Setting it up with your Bitbucket, GitHub, or GitLab account takes under five minutes, making it incredibly convenient. It supports various programming languages such as Python, Go, Ruby, and JavaScript. Additionally, DeepSource encompasses all essential programming languages, Infrastructure-as-Code capabilities, secret detection, code coverage, and much more. This means you can rely solely on DeepSource for code protection. Initiate your development with the most advanced static analysis platform, ensuring that you catch bugs before they make their way into production. It boasts the largest array of static analysis rules available in the market. Your team will benefit from having a centralized location to monitor and address code health effectively. With DeepSource, code formatting can be automated, ensuring your CI pipeline remains intact without style violations disrupting the process. Furthermore, it can automatically generate and implement fixes for detected issues with just a few clicks, enhancing your team's productivity and efficiency.

Unit testing made simple: You can write tests without modifying your existing code, including legacy systems. This applies to static methods, private methods, non-virtual methods, out parameters, and even class members and fields. Our professional edition is available at no cost for developers globally, alongside options for paid support packages. By enhancing your code integrity, you can consistently produce high-quality code. You can create entire object models with just a single command, enabling you to mock static methods, private methods, constructors, events, LINQ queries, reference arguments, and more, whether they are live or future elements. The automated test suggestion feature tailors recommendations specifically for your code, while our intelligent test runner efficiently executes only the tests that are impacted, providing you with rapid feedback. Additionally, our coverage tool allows you to visualize your code coverage directly in your editor as you develop, ensuring that you keep track of your testing progress. This comprehensive approach not only saves time but also significantly enhances the reliability of your software.

Debugging should be straightforward, and AQTime Pro transforms intricate memory and performance data into clear, actionable insights, allowing for rapid identification of bugs and their underlying causes. While the process of locating and resolving unique bugs can often be laborious and complex, AQTime Pro simplifies this task significantly. With a suite of over a dozen profilers, it enables you to detect memory leaks, performance issues, and code coverage deficiencies with just a few clicks. This powerful tool empowers developers to eliminate all types of bugs efficiently, helping them return their focus to producing high-quality code. Don’t let code profiling tools limit you to a single codebase or framework, which can hinder your ability to uncover performance issues, memory leaks, and code coverage gaps specific to your project. AQTime Pro stands out as the versatile solution that can be employed across various codebases and frameworks within a single project. Its extensive language support includes popular programming languages such as C/C++, Delphi, .NET, Java, and more, making it an invaluable asset for diverse development environments. With AQTime Pro at your disposal, you can streamline your debugging process and enhance your coding efficiency like never before.

Coco® is a versatile tool designed for measuring code coverage across multiple programming languages. It utilizes automatic instrumentation of source code to assess the coverage of statements, branches, and conditions during testing. When a test suite is executed against this instrumented application, it generates data that can be thoroughly analyzed later. Through this analysis, developers can gain insights into the extent of source code tested, identify gaps in test coverage, determine which additional tests are necessary, and observe changes in coverage over time. Moreover, it helps in pinpointing redundant tests, as well as identifying untested or obsolete code segments. By evaluating the effect of patches on both the code and the overall coverage, Coco provides a comprehensive overview of testing efficacy. It supports various coverage metrics, including statement coverage, branch coverage, and Modified Condition/Decision Coverage (MC/DC), making it adaptable for diverse environments such as Linux, Windows, and real-time operating systems. The tool is compatible with various compilers, including GCC, Visual Studio, and embedded compilers. Users can also choose from different report formats, including text, HTML, XML, JUnit, and Cobertura, to suit their needs. Additionally, Coco can seamlessly integrate with a multitude of build, testing, and continuous integration frameworks, such as JUnit, Jenkins, and SonarQube, enhancing its utility in a developer's workflow. This comprehensive range of features makes Coco an essential asset for any team focused on ensuring high-quality software through effective testing practices.

Operating systems such as Linux, Windows, RTOS, and others are utilized, along with compilers like gcc, Visual Studio, and various embedded options. By consolidating multiple execution reports, users can achieve enhanced analysis and a range of superior functionalities. Additionally, Coco's integrated Function Profiler allows for the evaluation and optimization of code performance, ensuring that developers can fine-tune their applications effectively. This comprehensive toolset ultimately empowers programmers to elevate their coding efficiency.

Enhance your Ruby testing and GitHub experience with actionable coverage insights that allow your team to deliver robust code efficiently while minimizing the time spent on pull request assessments. Rather than striving for a perfect 100% test coverage, focus on decreasing defects in your pull requests by identifying untested code changes before they go live. After a straightforward setup where the CI server runs tests and sends coverage results to UndercoverCI, you can ensure that every pull request is meticulously examined; we analyze the changes in your code and assess local test coverage for each modified class, method, and block, as merely knowing the overall percentage is insufficient. This tool uncovers untested methods and blocks, highlights unused code paths, and aids in refining your test suite. You can easily integrate UndercoverCI's hosted GitHub App or dive into the array of Ruby gems available. With a fully-featured integration for code review through GitHub, setup is quick and tailored for your organization’s needs. Moreover, the UndercoverCI initiative and its associated Ruby gems are completely open-source and can be utilized freely in your local environment and throughout your CI/CD processes, making it a versatile choice for any development team. By adopting UndercoverCI, you not only improve your code quality but also foster a culture of continuous improvement within your team.

Codacy is an automated code review tool. It helps identify problems through static code analysis. This allows engineering teams to save time and tackle technical debt. Codacy seamlessly integrates with your existing workflows on Git provider as well as with Slack and JIRA or using Webhooks. Each commit and pull-request includes notifications about security issues, code coverage, duplicate code, and code complexity. Advanced code metrics provide insight into the health of a project as well as team performance and other metrics. The Codacy CLI allows you to run Codacy code analysis locally. This allows teams to see Codacy results without needing to check their Git provider, or the Codacy app. Codacy supports more than 30 programming languages and is available in free open source and enterprise versions (cloud or self-hosted). For more see https://www.codacy.com/

Would you prefer an instant setup for all your needs, or do you value the ability to tailor your environment and workflow? CodeShip empowers developers to choose the most effective route for their needs, enhancing productivity and allowing teams to adapt over time. It offers a comprehensive suite of features, from deployment and notifications to code coverage, security scanning, and on-premise source control management, enabling seamless integration with any necessary tools, services, or cloud platforms for an ideal workflow. Our goal is not only to make CodeShip user-friendly but also to deliver prompt and comprehensive support for developers. When you encounter an issue or require assistance, having access to knowledgeable technical support without delay is crucial, and that’s a commitment we uphold at CodeShip. You can initiate your builds and deployments in under five minutes using CodeShip’s straightforward environment and intuitive interface. As your projects expand, you can gradually transition to more advanced workflows and configuration-as-code, ensuring your tools grow with your needs. This flexible approach ensures that as your requirements change, your workflow can adapt without missing a beat.

Atlassian Clover has long served as a trusted tool for code coverage analysis for Java and Groovy developers, enabling us to dedicate our resources to enhancing features and refining our primary products like Jira Software and Bitbucket. This steadfast reliability prompted our choice to transition Clover to an open-source model, which we believe will provide it with the focus and support necessary for growth. We are thrilled to invite developers to engage with Clover, as they have successfully done with our other open-source initiatives, such as the IDE connectors and various libraries. While Clover is already a robust tool for measuring code coverage, we are eager to witness the innovations and improvements that the community will bring to this valuable resource. The collaboration and contributions from developers will undoubtedly help Clover reach its full potential.

Experience the power of CodeRush features immediately and witness their incredible capabilities. With robust support for C#, Visual Basic, and XAML, it offers the fastest .NET testing runner available, state-of-the-art debugging, and an unparalleled coding experience. Effortlessly locate symbols and files within your project and swiftly navigate to relevant code elements based on the current context. CodeRush boasts Quick Navigation and Quick File Navigation functionalities, streamlining the process of finding symbols and accessing files. Additionally, the Analyze Code Coverage feature enables you to identify which sections of your solution are safeguarded by unit tests, highlighting areas that may be vulnerable within your application. The Code Coverage window provides a detailed view of the percentage of statements covered by unit tests across each namespace, type, and member in your solution, empowering you to enhance your code quality effectively. By utilizing these features, you can significantly elevate your development workflow and ensure better application reliability.

The LDRA tool suite stands as the premier platform offered by LDRA, providing a versatile and adaptable framework for integrating quality into software development from the initial requirements phase all the way through to deployment. This suite encompasses a broad range of functionalities, which include requirements traceability, management of tests, adherence to coding standards, evaluation of code quality, analysis of code coverage, and both data-flow and control-flow assessments, along with unit, integration, and target testing, as well as support for certification and regulatory compliance. The primary components of this suite are offered in multiple configurations to meet various software development demands. Additionally, a wide array of supplementary features is available to customize the solution for any specific project. At the core of the suite, LDRA Testbed paired with TBvision offers a robust combination of static and dynamic analysis capabilities, along with a visualization tool that simplifies the process of understanding and navigating the intricacies of standards compliance, quality metrics, and analyses of code coverage. This comprehensive toolset not only enhances software quality but also streamlines the development process for teams aiming for excellence in their projects.

BullseyeCoverage is an innovative tool designed for C++ code coverage that aims to enhance the quality of software in critical sectors such as enterprise applications, industrial automation, healthcare, automotive, telecommunications, and the aerospace and defense industries. The function coverage metric allows developers to quickly assess the extent of testing and highlights regions that lack coverage entirely. This metric is invaluable for enhancing overall coverage across various facets of your project. On a more granular level, condition/decision coverage offers insights into the control structure, enabling targeted improvements in specific areas, particularly during unit tests. Compared to statement or branch coverage, C/D coverage delivers superior detail and significantly boosts productivity, making it a more effective choice for developers striving for thorough testing. By incorporating these metrics, teams can ensure their software is robust and reliable, meeting the high standards required in critical applications.

We assist you in confidently delivering your code by identifying which sections are left untested by your suite. Our service is free for open-source projects, while private repositories can benefit from our pro accounts. You can sign up instantly through platforms like GitHub, Bitbucket, and GitLab. Ensuring a thoroughly tested codebase is crucial for success, yet identifying gaps in your tests can be a challenging task. Since you're likely already using a continuous integration server for testing, why not allow it to handle the heavy lifting? Coveralls integrates seamlessly with your CI server, analyzing your coverage data to uncover hidden issues before they escalate into bigger problems. If you're only checking your code coverage locally, you may miss out on valuable insights and trends throughout your entire development process. Coveralls empowers you to explore every aspect of your coverage while providing unlimited historical data. By using Coveralls, you can eliminate the hassle of monitoring your code coverage, gaining a clear understanding of your untested sections. This allows you to develop with assurance that your code is properly covered and robust. In summary, Coveralls not only streamlines the tracking process but also enhances your overall development experience.

You can save time and money by finding and fixing problems earlier. You can reduce the time and expense of delivering high quality software by avoiding costly and more complex problems later. Ensure that your C# and VB.NET codes comply with a wide variety of safety and security industry standards. This includes the requirement traceability required and the documentation required for verification. Parasoft's C# tool, Parasoft dotTEST automates a wide range of software quality practices to support your C# or VB.NET development activities. Deep code analysis uncovers reliability issues and security problems. Automated compliance reporting, traceability of requirements, code coverage and code coverage are all key factors in achieving compliance for safety-critical industries and security standards.