Best Debugging Tools for Linux of 2025

TrustInSoft commercializes a source code analyzer called TrustInSoft Analyzer, which analyzes C and C++ code and mathematically guarantees the absence of defects, immunity of software components to the most common security flaws, and compliance with a specification. The technology is recognized by U.S. federal agency the National Institute of Standards and Technology (NIST), and was the first in the world to meet NIST’s SATE V Ockham Criteria for high quality software. The key differentiator for TrustInSoft Analyzer is its use of mathematical approaches called formal methods, which allow for an exhaustive analysis to find all the vulnerabilities or runtime errors and only raises true alarms. Companies who use TrustInSoft Analyzer reduce their verification costs by 4, efforts in bug detection by 40, and obtain an irrefutable proof that their software is safe and secure. The experts at TrustInSoft can also assist clients in training, support and additional services.

Android Studio offers highly efficient tools for developing applications compatible with all Android devices. You can design intricate layouts using ConstraintLayout by establishing constraints between various views and guidelines. Additionally, you can preview your layout across different screen sizes by choosing from a range of device configurations or simply adjusting the preview window's size. To optimize your app size, you can analyze the contents of your APK, regardless of whether it was created with Android Studio, by inspecting the manifest, resources, and DEX files. Moreover, you can compare two APK versions to track changes in your app's size over time. Experience quicker app installation and execution than on a physical device, while also being able to simulate various configurations and features, including ARCore, which is Google's platform for creating augmented reality experiences. Furthermore, enhance your coding efficiency with an advanced code editor that supports code completion for Kotlin, Java, and C/C++ languages, allowing for smoother workflow and increased productivity. With these robust features, developers can streamline their process, ultimately leading to superior app development outcomes.

Utilize Telerik Fiddler HTTP(S) proxy to capture all internet traffic between your computer and external sites, allowing you to analyze that traffic, set breakpoints, and manipulate both requests and responses. Fiddler Everywhere serves as a versatile web debugging proxy compatible with macOS, Windows, and Linux platforms. You can capture, inspect, and monitor all HTTP(S) communication, facilitating the mocking of requests and troubleshooting of network problems. This tool is applicable to any browser or application, enabling you to debug traffic across macOS, Windows, Linux, and mobile devices running iOS or Android. It guarantees that the necessary cookies, headers, and cache settings are properly exchanged between client and server. Supporting diverse frameworks such as .NET, Java, and Ruby, Fiddler Everywhere empowers you to mock or alter requests and responses on any website efficiently. This straightforward approach allows for testing website functionality without the need for code alterations. By employing Fiddler Everywhere, you can effectively log and analyze all HTTP/S traffic between your system and the wider internet, streamlining your debugging process.

You can easily scan through traffic by highlighting content type, status, and source. Or, you can use powerful filtering tools that match your messages to the most important ones. With MDN inline explanations and docs, you can examine the URL, status, headers, and body of each request, or response. You can explore message bodies using highlighting and auto formatting for JSON HTML, JS, JS and other formats, all with the help of Monaco, the editor in Visual Studio Code. Match requests precisely, jump to them as they appear, and edit any information: the target URL or method, headers, body, or method. You can either respond manually to the requests as they arrive or pass them upstream. On the way back, pause and edit the actual response. Step through HTTP traffic request-by-request, or manually mock errors and endpoints. To quickly prototype against new services or endpoints, create rules that match requests.

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.

PlatformIO is an innovative collaborative platform designed specifically for embedded development, allowing users to conserve both time and resources by significantly lowering the costs and effort needed for software creation and maintenance. The embedded systems sector is in dire need of a transformative approach, as many existing IDEs and tools rely on outdated technology from the 1990s, presenting intricate requirements and platform-specific configurations that discourage skilled developers from pursuing careers in embedded engineering. Recognized as the most favored IDE solution for Microsoft Visual Studio Code, it offers a user-friendly and highly extensible integrated development environment equipped with a comprehensive suite of professional development tools. These tools are engineered to enhance both the speed and simplicity of embedded product creation and delivery. Additionally, PlatformIO is crafted entirely in pure Python, ensuring that it operates independently of any external libraries or system tools, which further streamlines the development process and fosters a more efficient workflow. Its commitment to modernizing embedded development makes it an essential choice for developers looking to innovate in this space.

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.

Xdebug is a powerful PHP extension that enhances the development workflow by offering various tools and functionalities. It allows developers to step through code in their integrated development environment as scripts run, making debugging much easier. The extension provides an enhanced version of the var_dump() function and delivers stack traces for notices, warnings, errors, and exceptions, clearly indicating the path leading to issues. Additionally, it logs all function calls, including arguments and their locations, to the disk, and can be configured to also record every variable assignment and return value for each function. This feature set enables developers, with the aid of visualization tools, to thoroughly examine the performance of their PHP applications and identify any bottlenecks. Moreover, Xdebug reveals the sections of code that are executed during unit testing with PHPUnit, aiding in better test coverage. For convenience, installing Xdebug via a package manager is typically the quickest method; simply replace the PHP version with the version you are currently using. You can also install Xdebug using PECL on both Linux and macOS, utilizing Homebrew for a streamlined setup process. Overall, Xdebug significantly enhances PHP development by providing essential debugging tools and performance insights.

Defang is a developer-focused platform designed to streamline the development, deployment, and debugging of cloud applications. Utilizing AI-driven tools, Defang empowers developers to quickly evolve their concepts into fully operational applications hosted on their selected cloud services. The platform accommodates various programming languages such as Go, JavaScript, and Python, enabling users to kickstart their projects with example templates or create outlines through natural language instructions. With just a single command, Defang automates the building and deployment processes, managing configurations related to computing, storage, load balancing, networking, logging, and security seamlessly. The Defang Command Line Interface (CLI) enhances user interaction with the platform, providing installation methods through shell scripts, Homebrew, Winget, Nix, or direct downloads. Developers can specify their services using compose.yaml files, which Defang leverages to facilitate application deployment in the cloud. Overall, this platform significantly reduces the complexity traditionally associated with cloud application development, making it more accessible for developers at all skill levels.

Chrome DevTools comprises a collection of web development utilities integrated seamlessly into the Google Chrome browser. These tools facilitate real-time page editing and swift problem diagnosis, ultimately contributing to the creation of more efficient websites in a shorter timeframe. Users can access DevTools through various methods, catering to individual preferences for quick navigation within the DevTools interface. To manipulate the DOM or CSS, simply right-click on a webpage element and choose Inspect to access the Elements panel directly, or use the shortcut Command+Option+C on Mac or Control+Shift+C on Windows, Linux, and Chrome OS. For viewing logged information or executing JavaScript commands, you can quickly open the Console panel with Command+Option+J on Mac or Control+Shift+J on other operating systems. Additionally, you can enhance your navigation through the DOM tree by utilizing badges to toggle different overlays. The Console in Chrome DevTools is primarily utilized for logging messages and executing JavaScript, making it a vital component for developers. Overall, mastering these shortcuts and features can significantly streamline your web development workflow.

The Firefox Developer Tools comprise a comprehensive suite of utilities designed for web developers, integrated directly into the Firefox browser. These tools allow users to analyze, modify, and troubleshoot HTML, CSS, and JavaScript code effectively. In this section, you will find extensive guides detailing each tool, along with instructions for debugging Firefox on Android devices, methods for enhancing DevTools functionality, and techniques for troubleshooting the browser in its entirety. Accessing the Firefox Developer Tools can be done through the menu by navigating to Tools > Web Developer > Web Developer Tools, or you can simply use the keyboard shortcuts Ctrl + Shift + I or F12 for Windows and Linux, or Cmd + Opt + I for macOS. Additionally, these tools empower developers to streamline their workflow and ensure seamless web experiences for users.

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.

Don't let game, app, or device crashes stop you from having a great experience. Backtrace automates cross-platform exception management and cross-platform crash management so that you can focus on shipping. Cross-platform callstack, event aggregation, and monitoring. A single system can process errors from panics and core dumps, minidumps, as well as during runtime across your stack. Backtrace generates searchable, structured error reports from your data. Automated analysis reduces time to resolution by surfacing important signals which lead engineers to the crash root cause. Rich integrations into dashboards and notification systems mean that you don't have to worry about missing a detail. Backtrace's rich queries engine will help you answer the questions that are most important to you. A high-level overview of errors, prioritization and trends across all projects can be viewed. You can search through key data points as well as your own custom data for all errors.

IDA Pro serves as a powerful disassembler that generates execution maps to represent the binary instructions executed by the processor in a symbolic format, specifically assembly language. With the implementation of advanced techniques, IDA Pro is able to translate machine-executable code into assembly language source code, enhancing the readability of complex code. Additionally, its debugging feature incorporates dynamic analysis, allowing it to support various debugging targets and manage remote applications effectively. The tool's cross-platform debugging capabilities facilitate immediate debugging and provide easy connections to both local and remote processes, while also accommodating 64-bit systems and various connection options. Furthermore, IDA Pro empowers human analysts by allowing them to override its decisions or provide hints, ensuring a more intuitive and efficient analysis of binary code. This flexibility significantly enhances the analyst's ability to interact with the disassembler, making the process of analyzing intricate binaries not only more manageable but also more effective overall.

Weinre, pronounced similarly to "winery" or "weiner," stands for WEb INspector REmote and serves as a debugger for web pages, much like FireBug for Firefox and the web inspector for WebKit-based browsers, but it is specifically designed for remote debugging on mobile devices such as smartphones. Created during a time when no remote debuggers existed for mobile platforms, weinre has paved the way for more recent tools that some platforms now offer as part of their development suite. It utilizes the user interface code from WebKit's web inspector project, making it familiar to users who have experience with Safari's web inspector or Chrome's Developer Tools. Typically, the client application is launched in a desktop or laptop browser while the target web page is displayed on a mobile device, allowing for seamless debugging. Notably, weinre operates entirely through conventional JavaScript without relying on any native code within the browser environment, ensuring broad compatibility and ease of use. Its remote debugging capabilities have proven invaluable for developers working on web applications intended for mobile access, making it a vital tool in the web development landscape.

GDB, or the GNU Project debugger, enables users to observe the internal workings of a program during its execution or determine what the program was doing at the time of a crash. To get started, launch your application while taking into account any factors that could influence its performance. Once your program halts, analyze the events that transpired up to that point. You can modify elements within your program to test fixes for one issue and subsequently explore additional problems. These programs may be run on the same device as GDB (native), on a separate machine (remote), or through a simulator. GDB is compatible with most well-known UNIX systems, Microsoft Windows editions, and Mac OS X. Additionally, inferior objects now feature a read-only attribute called 'connection_num', which displays the connection number as seen in the 'info connections' and 'info inferiors' commands. Furthermore, a new method named gdb.Frame.level() has been introduced, providing the stack level associated with the frame object, thereby enhancing the debugging experience significantly.

GNU DDD serves as a graphical interface for various command-line debuggers, including GDB, DBX, WDB, and others like Ladebug and JDB, among others. In addition to standard front-end capabilities like displaying source code, DDD is particularly renowned for its interactive graphical representation of data, which allows users to visualize data structures as graphs. Supporting the ideals of software freedom can be achieved by purchasing items from the FSF shop. To utilize DDD effectively, you must have the GNU debugger (GDB) version 4.16 or newer, though depending on the specific program being debugged, alternative command-line debuggers may also be required. DDD not only enhances the debugging experience but also encourages users to engage with the principles of open-source software.

Create dependable and optimized code that yields accurate results across various Server and HPC architectures, utilizing the latest compilers and C++ standards tailored for Intel, 64-bit Arm, AMD, OpenPOWER, and Nvidia GPU hardware. Arm Forge integrates Arm DDT, recognized as the premier debugger that enhances high-performance application debugging efficiency, with Arm MAP, a reliable performance profiler that provides crucial optimization insights for both native and Python HPC codes, along with Arm Performance Reports for enhanced reporting features. Additionally, Arm DDT and Arm MAP can be used independently as standalone tools. With comprehensive technical support from Arm specialists, application development for Linux Server and HPC becomes highly efficient. Arm DDT is the preferred debugger for designing C++, C, or Fortran applications that are parallel and threaded, whether they run on CPUs or GPUs. Its robust and user-friendly graphical interface simplifies the identification of memory issues and divergent behaviors at any scale, solidifying Arm DDT's reputation as the leading debugger in research, industry, and educational institutions. This powerful toolkit not only boosts productivity but also contributes to the advancement of technical innovation across multiple domains.

Quickly identify performance issues and gain insights into the workings of a complex C/C++ application using Orbit, a standalone profiling and debugging tool designed for both Windows and Linux environments. This tool is specifically engineered to assist developers in comprehending and visualizing the execution flow within intricate applications. By providing an overarching perspective on the internal operations, Orbit enhances the developer's grasp of complex systems, enabling them to swiftly pinpoint performance bottlenecks. The tool seamlessly operates with any C/C++ application, provided it has access to the Pdb file, allowing you to initiate profiling immediately after downloading Orbit. Upon launch, Orbit integrates itself within the target process, hooking into specific functions, and is effective even with highly optimized final or shipping builds. Its sampling feature is particularly beneficial when starting your investigation, as it is fast, reliable, and continuously active. Orbit optimizes the profiling process by combining sampling techniques with dynamic instrumentation, ensuring a more efficient workflow for developers seeking to enhance application performance. Additionally, the ability to visualize execution paths greatly aids in understanding how different components interact within the system.

VisualVM is a powerful tool used for monitoring and troubleshooting Java applications from version 1.4 onwards, supporting a variety of technologies such as jvmstat, JMX, Serviceability Agent (SA), and Attach API from different vendors. It is designed to meet the diverse needs of application developers, system administrators, quality engineers, and end users alike. For each running process, VisualVM displays essential runtime details including the process ID (PID), main class, arguments supplied to the Java process, JVM version, JDK home directory, JVM flags, and system properties. Additionally, it tracks various performance metrics such as CPU usage, garbage collection (GC) activity, heap and metaspace memory usage, the number of loaded classes, and the count of currently running threads. VisualVM also includes basic profiling features that allow for in-depth analysis of application performance and memory management, offering both sampling and instrumentation profiling options to cater to different analysis needs. This comprehensive set of tools makes VisualVM an invaluable resource for anyone looking to optimize their Java applications effectively.