Best Free Debugging Tools

Remote logger, crash reporter and in-app user feedback Bugfender is a log storage service for application developers. Bugfender collects everything happening in the application, even if it doesn’t crash, in order to reproduce and resolve bugs more effectively and provide better customer support. Bugfender respects your user's privacy, is battery and network efficient and keeps logging even if the device is offline. Track and destroy bugs before users even notice. Bugfender logs all bugs on all devices and sends the results in seconds - enabling you to find and fix bugs before your users even get an error message. Achieve 5-Star Ratings. Bugfender doesn’t just log bugs and crashes. It logs all the information you’ll ever need so you can build a clear picture of your users and earn those crucial five-star ratings. Deliver world-class customer service. Our logging tool enables you to target individual users and provide personalized customer support.

Ambassador Edge Stack is a Kubernetes-native API Gateway that delivers the scalability, security, and simplicity for some of the world's largest Kubernetes installations. Edge Stack makes securing microservices easy with a comprehensive set of security functionality, including automatic TLS, authentication, rate limiting, WAF integration, and fine-grained access control. The API Gateway contains a modern Kubernetes ingress controller that supports a broad range of protocols including gRPC and gRPC-Web, supports TLS termination, and provides traffic management controls for resource availability. Why use Ambassador Edge Stack API Gateway? - Accelerate Scalability: Manage high traffic volumes and distribute incoming requests across multiple backend services, ensuring reliable application performance. - Enhanced Security: Protect your APIs from unauthorized access and malicious attacks with robust security features. - Improve Productivity & Developer Experience

From error tracking to performance monitoring, developers can see what actually matters, solve quicker, and learn continuously about their applications - from the frontend to the backend. With Sentry’s performance monitoring you can trace performance issues to poor-performing api calls and slow database queries. Source code, error filters, stack locals — Sentry enhances application performance monitoring with stack traces. Quickly identify performance issues before they become downtime. View the entire end-to-end distributed trace to see the exact, poor-performing API call and surface any related errors. Breadcrumbs make application development a little easier by showing you the trails of events that lead to the error(s).

Discover, predict, and resolve errors in real-time. Go beyond crash reporting, error tracking, logging and error monitoring. Get instant and accurate alerts — plus a real-time feed — of all errors, including unhandled exceptions. Our automation-grade grouping uses machine learning to reduce noise and gives you error signals you can trust.

Capture and track application exceptions in minutes with Airbrake, an error monitoring and detection solution. Fast and effective, Airbrake enables users to quickly identify, asses and resolve errors such as parameters, stacktraces, affected users, and more. Airbrake features detailed dashboards that tracks and manages errors with ease. Airbrake is also accessible via mobile devices with its mobile optimized web application.

Telepresence streamlines your local development process, enabling immediate feedback. You can launch your local environment on your laptop, equipped with your preferred tools, while Telepresence seamlessly connects them to the microservices and test databases they rely on. It simplifies and expedites collaborative development, debugging, and testing within Kubernetes environments by establishing a seamless connection between your local machine and shared remote Kubernetes clusters. Why Telepresence: Faster feedback loops: Spend less time building, containerizing, and deploying code. Get immediate feedback on code changes by running your service in the cloud from your local machine. Shift testing left: Create a remote-to-local debugging experience. Catch bugs pre-production without the configuration headache of remote debugging. Deliver better, faster user experience: Get new features and applications into the hands of users faster and more frequently.

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) 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. 4) 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.

See video, network and logs that led to bugs and crashes in live apps. No need to reproduce intermittent bugs. With Bugsee, all the crucial data is always there. All important traces from your app. Now you know what exactly led to unexpected behavior. See the video of all user actions, communication with the backend and system state that led to the problem. Get statistics on similar crashes. See trends broken down by device type, OS version and time. Get the exact filename, method and a line number of the crash. See states of all other threads running at the time of the crash. See all HTTP and HTTPS requests and responses – headers and body – from and to your app. Replay all app’s console logs synchronized to the video and network traffic.

RubyMotion lets you quickly develop cross-platform native apps for iOS, Android and OS X, all using your favorite editor and the awesome Ruby language you know and love. RubyMotion features a statically-compiled version of the Ruby language designed for native mobile platforms, as well as a command-line based extensible toolchain that will let you easily customize your development workflow just the way you like it. Thanks to RubyMotion, your Ruby developers can write iOS and Android apps, today. Ruby makes programmers happy and productive, and by sharing the same language across platforms you get to reuse code, save time, and ship faster.

Thundra is a developer platform company that empowers application teams to develop, debug, test, and monitor modern microservices on the cloud. By offering everything from automated instrumentation to cloud debugging and test optimization in a single platform, Thundra eliminates the need for multiple tools for pre-production and production environments

Log management. Upgraded. With Honeycomb. Honeycomb is built for modern dev teams to better understand application performance, debug & improve log management. With rapid query, find unknown unknowns across system logs, metrics & traces with interactive charts for the deepest view against raw, high cardinality data. Configure Service Level Objective (SLOs) on what users care about so you cut-down noisy alerts and prioritize the work. Reduce on-call toil, ship code faster and keep customers happy. Pinpoint the cause. Optimize your code. See your prod in hi-res. Our SLOs tell you when your customers are having a bad experience so that you can immediately debug why those issues are happening, all within the same interface. Use our Query Builder to easily slice and dice your data to visualize behavioral patterns for individual users and services (grouped by any dimensions).

Latta AI is an innovative platform designed to streamline the software development process by automating the detection and resolution of bugs. By recording user sessions and applying AI-driven fixes, Latta AI enables developers, project managers, and testers to focus more on feature development, thereby boosting productivity and accelerating release cycles. The platform integrates seamlessly with popular version control systems like GitHub and GitLab and maintains strict security protocols to ensure code privacy and protection. Additionally, Latta AI offers a plugin for JetBrains IDEs, allowing developers to access its bug-fixing tools directly within their development environment. This integration facilitates quick identification and resolution of issues without the need to leave the IDE. Overall, Latta AI aims to reduce the time developers spend on debugging by up to 40%, enhancing efficiency and allowing teams to focus on innovation.

Scout Monitoring is Application Performance Monitoring (APM) that finds what you can't see in charts. Scout APM is application performance monitoring that streamlines troubleshooting by helping developers find and fix performance issues before customers ever see them. With real-time alerting, a developer-centric UI, and tracing logic that ties bottlenecks directly to source code, Scout APM helps you spend less time debugging and more time building a great product. Quickly identify, prioritize, and resolve performance problems – memory bloat, N+1 queries, slow database queries, and more – with an agent that instruments the dependencies you need at a fraction of the overhead. Scout APM is built for developers, by developers, and monitors Ruby, PHP, Python, Node.js, and Elixir applications.

Become a debugging and web performance guru with the ultimate in-browser HTTP sniffer. Debug the network traffic generated by a web page directly in the browser without having to switch to a separate tool. Accurately measure the network performance of a web page and view opportunities for boosting its speed. No extra configuration or proxies are required - even with encrypted HTTPS traffic! Quickly find weak SSL configurations and other security-related issues on your web server. Anyone can use the free Basic Edition to send you full log files to help you remotely diagnose errors or performance issues. Use the HttpWatch API to collect performance data from your automated website tests. HttpWatch integrates with Chrome, Edge and Internet Explorer browsers to show you the HTTP and HTTPS traffic that is generated when you access a web page. Select a request in HttpWatch and everything you need to know is display in a tabbed window.

Don’t let app, device, or game crashes get in the way of a great experience. Backtrace takes all the manual labor out of cross-platform crash and exception management so you can focus on shipping. Cross-platform callstack and event aggregation and monitoring. Process errors from panics, core dumps, minidumps, and during runtime across your stack with a single system. Backtrace generates structured, searchable error reports from your data. Automated analysis cuts down on time to resolution by surfacing important signals that lead engineers to crash root cause. Never worry about missing a clue with rich integrations into dashboards, notification, and workflow systems. Answer the questions that matter to you with Backtrace’s rich query engine. View a high-level overview of error frequency, prioritization, and trends across all your projects. Search through key data points and your own custom data across all your errors.

Using Seagence’s unique execution path technology combined with machine learning, receive realtime alerts with root cause when defects occur in your production Java applications. Fix your code without needing any debugging. Attach a lightweight runtime java agent when you start your application. As your users access the application, Seagence agent collects data about how requests are being processed. So give Seagence 24 hours to collect enough sample for analysis. The collected data is fed to Seagence's analytics engine in realtime which finds defects when they occur and alerts. Know that Seagence unearths all defects in your application including unknown. With Seagence provided defect and root cause in hand, you fix your broken code. Continuously monitoring your production application, Seagence proactively finds defects and their root cause in realtime thus eliminating the need for debugging.

Inspector is a Code Execution Monitoring tool that helps software developers automatically identify errors and bottlenecks. It traces your application at any scale, enabling you to fix issues before customers experience them while keeping debugging costs predictable and low.