Best Debugging Tools with a Free Trial of 2025

Errsole is a free open-source logger for Node.js applications. It comes with a built-in log viewer to view, filter, and search your application logs. 1) Minimal Setup: Just include the Errsole package in your code—no need for dedicated servers, software installations, or complicated configurations. 2) Logger++: Errsole automatically collects all logs from the Node.js console. Additionally, it provides advanced logging functions that support multiple log levels and the ability to attach metadata to logs. 3) Store Anywhere: Store your logs wherever you want—whether in a file or any database of your choice. You can also configure log rotation to specify how long logs should be retained. 4) Log Viewer: View, filter, and search through your logs using the built-in Web Dashboard. Secure authentication and team management features ensure that only you and your team can access the logs. 5) Critical Error Notifications: Get immediate notifications when your app crashes or encounters critical errors. The notification includes the error message, the app name, the environment, the server name, and a direct link to view the error in your logs.

Bugfender provides log storage services for developers. It includes remote logger, crash reporter, and in-app feedback. Bugfender records everything that happens in an application, even if it crashes, to help you reproduce and resolve bugs faster and provide better customer service. Bugfender protects the privacy of your user, is network and battery efficient, and keeps logging even when the device is offline. Bugfender can track and destroy bugs before users notice. Bugfender logs every bug on every device and sends the results within seconds. This allows you to find and fix bugs before users even notice. Achieve 5-Star Ratings. Bugfender logs more than just crashes and bugs. Bugfender logs every bit of information you need to build a picture of your users, and earn five-star ratings. Provide exceptional customer service. Our logging tool allows you to target specific users and provide personalized customer service.

Scout Monitoring is Application Performance Monitoring that shows you what charts cannot. Scout APM is an application performance monitoring tool that helps developers identify and fix performance problems before customers even see them. Scout APM's real-time alerting system, developer-centric interface, and tracing logic, which ties bottlenecks to source code directly, helps you spend less time on debugging, and more time creating great products. With an agent that instrument the dependencies needed at a fraction the overhead, you can quickly identify, prioritize and resolve performance issues - memory bloats, N+1 queries and slow database queries. Scout APM monitors Ruby, PHP and Python applications.

Bugsnag provides comprehensive monitoring of application stability, empowering teams to make informed choices about whether to prioritize the development of new features or to address existing bugs. As a robust full-stack stability monitoring solution tailored for mobile applications, it offers advanced diagnostics that enable you to replicate any error effectively. With a user-friendly interface, you can manage all your applications seamlessly from a single dashboard. Bugsnag serves as a crucial metric for assessing app health, facilitating communication between product and engineering teams. Not every bug requires immediate attention, allowing you to concentrate on those that significantly impact your business. Its extensible libraries come with well-considered defaults and a plethora of customization options. Additionally, the team comprises subject matter experts who are genuinely invested in minimizing errors and ensuring the overall health of your applications, making Bugsnag an invaluable asset for developers.

Ambassador Edge Stack, a Kubernetes-native API Gateway, provides simplicity, security, and scalability for some of the largest Kubernetes infrastructures in the world. Ambassador Edge Stack makes it easy to secure microservices with a complete set of security functionality including automatic TLS, authentication and rate limiting. WAF integration is also available. Fine-grained access control is also possible. The API Gateway is a Kubernetes-based ingress controller that supports a wide range of protocols, including gRPC, gRPC Web, TLS termination, and traffic management controls to ensure resource availability.

Proactively discover, predict, and resolve errors with the continuous code improvement platform.

You can use your favorite debugging software to locally troubleshoot your Kubernetes services. Telepresence, an open-source tool, allows you to run one service locally and connect it to a remote Kubernetes cluster. Telepresence was initially developed by Ambassador Labs, which creates open-source development tools for Kubernetes such as Ambassador and Forge. We welcome all contributions from the community. You can help us by submitting an issue, pull request or reporting a bug. Join our active Slack group to ask questions or inquire about paid support plans. Telepresence is currently under active development. Register to receive updates and announcements. You can quickly debug locally without waiting for a container to be built/push/deployed. Ability to use their favorite local tools such as debugger, IDE, etc. Ability to run large-scale programs that aren't possible locally.

Quickly monitor and manage application errors in just a few minutes using Airbrake, a robust solution for error detection and monitoring. With its efficient capabilities, Airbrake allows users to swiftly pinpoint, evaluate, and address issues, including parameters, stack traces, and impacted users. The platform boasts comprehensive dashboards that simplify the tracking and management of errors. Additionally, Airbrake is user-friendly on mobile devices thanks to its optimized web application, ensuring that you can stay on top of errors anytime, anywhere. This versatility makes it an essential tool for developers seeking to enhance their application's reliability.

To begin capturing crashes that may occur in your Android or iOS applications, you must first integrate the EasyQA Software Development Kit into your app's code. You can access the SDK download and detailed instructions for connecting it to your project by visiting the Integrations page in the EasyQA Test Management Tool. Once the SDK is integrated, remember to use the provided token and initialize it within the application class of your project. After completing this step, you can create your app's build and upload it to the Test Objects section in EasyQA, allowing your application to start reporting crashes to the service. With the EasyQA SDK in place and your app uploaded to Test Objects, you will be able to monitor your app's crash reports through our website. Simply install the app on any Android or iOS device to initiate testing. If a crash occurs, restart the app and click the Upload button to send the crash report. It's important to regularly check the crash reports to ensure your application runs smoothly.

Elevate your log management with Honeycomb, a platform designed specifically for contemporary development teams aiming to gain insights into application performance while enhancing log management capabilities. With Honeycomb’s rapid query functionality, you can uncover hidden issues across your system’s logs, metrics, and traces, utilizing interactive charts that provide an in-depth analysis of raw data that boasts high cardinality. You can set up Service Level Objectives (SLOs) that reflect user priorities, which helps in reducing unnecessary alerts and allows you to focus on what truly matters. By minimizing on-call responsibilities and speeding up code deployment, you can ensure customer satisfaction remains high. Identify the root causes of performance issues, optimize your code efficiently, and view your production environment in high resolution. Our SLOs will alert you when customers experience difficulties, enabling you to swiftly investigate the underlying problems—all from a single interface. Additionally, the Query Builder empowers you to dissect your data effortlessly, allowing you to visualize behavioral trends for both individual users and services, organized by various dimensions for enhanced analytical insights. This comprehensive approach ensures that your team can respond proactively to performance challenges while refining the overall user experience.

Introducing the Visual Studio Extension tailored for .NET Developers, which offers real-time code quality assessment across a wide range of languages including C#, VB.NET, XAML, ASP.NET, ASP.NET MVC, JavaScript, TypeScript, CSS, HTML, and XML. This extension allows developers to immediately identify areas of improvement within their code. ReSharper not only alerts you to coding issues but also presents a multitude of quick-fix solutions for automatic resolution. In most instances, you have the flexibility to choose the most suitable quick-fix from a diverse selection. It also features automated, solution-wide refactorings that enable you to modify your codebase with confidence. Whether you're looking to rejuvenate outdated code or organize your project structure, ReSharper is a dependable tool. With its powerful navigation capabilities, you can swiftly search through the entirety of your solution. You can leap to any file, type, or member, and seamlessly navigate from a specific symbol to its usages, as well as its base and derived symbols or implementations. This level of functional versatility ensures that developers can work more efficiently and effectively than ever before.

DebugBear tracks the speed of your website and alerts you when there's a problem. Receive alerts in Slack, by email, or in Microsoft Teams. Analyze your website using in-depth debug data, like a Lighthouse report, request waterfall, and a rendering filmstrip. DebugBear also supports advanced features, like the ability to test pages that require login or testing the second (cached) load of a page.

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.

Spark offers a three-dimensional perspective of your application's interface along with the capability to adjust view settings dynamically during runtime, enabling you to design exceptional applications. If your app relies on notifications, Spark's notification monitor tracks each NSNotification as it is dispatched, providing a comprehensive stack trace, a detailed list of recipients, the methods invoked, and additional relevant information. This feature allows for a quick understanding of your app's architecture while enhancing debugging efficiency. By connecting your application to the Spark Inspector, you place your app's interface in the spotlight, with real-time updates reflecting your interactions. We keep track of every alteration within your app's view hierarchy, ensuring you remain informed about ongoing changes. The visual representation of your app in Spark is not only aesthetically pleasing but also fully customizable. You have the ability to alter nearly every aspect of your views, from class-level properties to CALayer transformations, and upon making any changes, Spark triggers a method within your app to directly implement that adjustment. This seamless integration fosters a more intuitive development experience, allowing for rapid iteration and refinement.

Squish has become the preferred solution for thousands of businesses around the globe, enabling them to streamline the functional regression and system testing of their graphical user interfaces (GUIs) and human-machine interfaces (HMIs). This versatile GUI testing tool is entirely cross-platform and offers automated cross-browser testing for Web and HTML5 applications across desktop, mobile, and embedded systems. Additionally, Squish provides automated testing capabilities for native macOS applications, with the added benefit of supporting embedded Webkit content. With its comprehensive features, Squish empowers organizations to enhance the quality and reliability of their software products efficiently.

Polar Signals Cloud is a continuous profiling solution that operates continuously without the need for instrumentation, aimed at enhancing performance, comprehending incidents, and reducing infrastructure expenses. By executing a single command and following an exceptionally straightforward onboarding guide, you can commence cost savings and performance optimization for your infrastructure almost instantly. The capability to analyze past incidents allows users to trace and address issues effectively. The profiling data generated offers unparalleled insights into the execution of processes over time, enabling you to confidently identify the most critical areas for optimization based on statistical analysis. Many companies find that 20-30% of their resources are squandered on inefficient code paths that could be readily improved. By utilizing a remarkable combination of technologies, Polar Signals Cloud provides a profiling toolkit that meets the demands of modern infrastructure and applications. Thanks to its zero-instrumentation approach, you can implement it right away and start benefiting from actionable observability data that drives better decision-making. With ongoing use, organizations can continually refine their performance strategies and maximize resource allocation.

Instabug offers mobile apps bug reporting and in-app feedback. It allows seamless two-way communication between testers and users, as well as detailed environment reports for developers, after integrating the SDK. The integration takes less than 5 minutes and the results are amazing! Instabug is trusted by the top apps around the globe. Instabug is rated highly for its bug reporting and tracking tools. We offer exceptional support 24 hours a day.

Developers can track errors and monitor performance to see what is important, find faster solutions, and continuously learn about their applications, from the frontend to backend. Sentry's performance monitoring can help you trace performance issues down to slow database queries and poorly performing api calls. Sentry's application performance monitoring is enhanced by stack traces. Identify performance issues quickly before they cause downtime. To see the entire distributed trace from end to end, you can identify the API call that is not performing well and highlight any errors. Breadcrumbs help you make application development easier by showing you the events that led to the error.

Real-time application debugging is made possible through Google Cloud's Cloud Debugger, which allows developers to examine the current state of an application without the need to pause or hinder its performance. This means that users remain unaffected while you gather information about the call stack and variables at any point in your source code. By utilizing this feature, you can gain insights into how your application behaves in a live environment, enabling you to pinpoint elusive bugs and enhance overall code quality. Furthermore, the ability to analyze live application states can greatly streamline the troubleshooting process, making it easier to maintain robust software.

Embrace transforms intricate mobile data into actionable insights. By gathering detailed session-level data for every user interaction, Embrace reveals significant insights that drive your growth potential. Propel your ambitions for agile teams and exceptional user experiences with the sole mobile-first data platform designed for your needs. Since mobile technology is at the heart of your business, it is also central to your users' daily lives. The pandemic has only accelerated the shift towards mobile reliance. Choose the only platform and team tailored for your mobile revolution, enabling you to provide seamless user experiences that enhance retention and boost revenue. Embrace automatically highlights the effects of both identified and unidentified issues. You can examine any user’s journey and analyze every technical aspect and user action with a chronological visualization. Swiftly identify the root cause by reproducing any issue on demand, ensuring that you can tackle challenges head-on. Embrace captures only the essential behavioral and technical data necessary to facilitate informed decision-making, allowing you to respond effectively to user needs and enhance overall satisfaction. This focus on precision empowers your organization to thrive in a competitive landscape.

Enhance both your production and staging environments by integrating logs, metrics, and traces in real-time and on-demand directly from your IDE or command line interface. With Lightrun, you can significantly improve productivity and achieve complete code-level visibility. You can add logs and metrics instantly while services are operational, making it easier to debug complex architectures like monoliths, microservices, Kubernetes, Docker Swarm, ECS, and serverless applications. Quickly insert any missing log lines, instrument necessary metrics, or establish snapshots as needed without the hassle of recreating the production setup or redeploying. When you invoke instrumentation, the resulting data gets sent to your log analysis platform, IDE, or preferred APM tool. This allows for thorough analysis of code behavior to identify bottlenecks and errors without interrupting the running application. You can seamlessly incorporate extensive logs, snapshots, counters, timers, function durations, and much more without risking system stability. This streamlined approach lets you focus on coding rather than getting bogged down in debugging, eliminating the need for constant restarts or redeployments when troubleshooting. Ultimately, this results in a more efficient development workflow, allowing you to maintain momentum on your projects.

TotalView debugging software offers essential tools designed to expedite the debugging, analysis, and scaling of high-performance computing (HPC) applications. This software adeptly handles highly dynamic, parallel, and multicore applications that can operate on a wide range of hardware, from personal computers to powerful supercomputers. By utilizing TotalView, developers can enhance the efficiency of HPC development, improve the quality of their code, and reduce the time needed to bring products to market through its advanced capabilities for rapid fault isolation, superior memory optimization, and dynamic visualization. It allows users to debug thousands of threads and processes simultaneously, making it an ideal solution for multicore and parallel computing environments. TotalView equips developers with an unparalleled set of tools that provide detailed control over thread execution and processes, while also offering extensive insights into program states and data, ensuring a smoother debugging experience. With these comprehensive features, TotalView stands out as a vital resource for those engaged in high-performance computing.

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.

Shoreline is the only cloud reliability platform that allows DevOps engineers to build automations in a matter of minutes and fix problems forever. Shoreline’s modern “Operations at the Edge” architecture runs efficient agents in the background of all monitored hosts. Agents run as a DaemonSet on Kubernetes or an installed package on VMs (apt, yum). The Shoreline backend is hosted by Shoreline in AWS, or deployed in your AWS virtual private cloud. Debugging and repairing issues is easy with advanced tooling for your best SREs, Jupyter style notebooks for the broader team, and a platform that makes building automations 30X faster by allowing operators to manage their entire fleet as if it were a single box. Shoreline does the heavy lifting, setting up monitors and building repair scripts, so that customers only need to configure them for their environment.

Effortlessly identify bugs and inconsistencies in UI/UX design. Detecting bugs can often be a tedious and monotonous task. With Buglab, you can streamline the process of spotting UI/UX flaws in websites, platforms, and web applications through automated testing. This not only speeds up development but also helps maintain the quality of client-facing software, allowing you to prioritize other crucial areas of your business. Address UI bugs before they lead to significant consequences. Buglab simplifies website testing by enabling you to replicate any user actions with minimal effort and without the need for coding. You can devise various sequences to confirm that your website updates do not introduce new bugs or alter functionalities. After setting up a test, the system will showcase the outcomes and pinpoint discrepancies between your original and updated website versions. Additionally, you can organize your tests into coherent suites and projects, while also scheduling them according to your preferred timelines. This flexibility ensures that your testing process is both comprehensive and efficient. Overall, Buglab empowers you to maintain high standards, reducing the risk of overlooking critical issues that could affect user experience.