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Best Debugging Tools in 2026

Debugging and error tracking tools

74 tools evaluated · 10 top picks · Updated June 2026

Key Takeaways
  • LogRocket is our #1 pick for debugging in 2026.
  • We analyzed 74 debugging tools to create this ranking.
  • 7 tools offer free plans, perfect for getting started.

Debugging tools cluster into error tracking (Sentry, Rollbar, Bugsnag), session replay for frontend (LogRocket, FullStory, OpenReplay), and observability platforms (Datadog, Honeycomb) used for production debugging. Most teams need at least error tracking; replay and observability scale with maturity.

7 top debugging tools compared

Starting price, average user rating, and our pick for each category.

ToolOur takeStarting priceRating
LogRocket logo
LogRocket
Best overallFree + paid4.7
Rollbar logo
Rollbar
Solid pickFree + paid4.4
Sentry logo
Sentry
Solid pickFree + paid4.5
Mint CI logo
Mint CI
Solid pickFree + paid4.7
TrackJS logo
TrackJS
Solid pickContact sales4.6
Atatus logo
Atatus
Solid pickContact sales4.7
Raygun logo
Raygun
Solid pickContact sales4.3

How the Top Debugging Tools Compare

The debugging category is highly competitive in 2026, with LogRocket and Rollbar both ranking among the top choices on Toolradar's assessment, followed closely by Sentry. The tight competition reflects how mature this market has become.

All top-ranked debugging tools offer free or freemium plans, making this an accessible category for teams of any size. LogRocket stands out by combining a top ranking with freemium (free tier available) pricing.

Computed from live tool ratings, review counts, and editorial scores.Editorial policy
01
LogRocket logo

Session replay & error tracking

Freemium4.7/52,320 ratings

LogRocket is a session replay and product analytics platform with pixel-perfect recordings, JavaScript error reporting, and AI-powered struggle detection for understanding user behavior.

02
Rollbar logo

Real-time error tracking and debugging

Freemium4.4/5404 ratings

Rollbar monitors errors across stack and platforms. Error tracking with real-time alerting-catch problems before users report them. The grouping is intelligent. The real-time helps. The platform coverage is broad. Development teams monitoring production use Rollbar for comprehensive error tracking.

03
Sentry logo

Application monitoring & error tracking

Freemium4.5/5265 ratings

Sentry is an application monitoring platform providing error tracking, performance tracing, session replay, and uptime monitoring with event-based pricing for development teams of all sizes.

04
Mint CI logo

The entirely new way to write and run CI/CD workflows for high-velocity teams.

Freemium4.7/5140 ratings

Mint CI by RWX is a modern CI/CD platform designed to accelerate development cycles by optimizing build and deployment processes. It moves beyond traditional sequential CI systems by leveraging DAG-based execution with true parallelization, ensuring that only necessary tasks are rebuilt and executed. This approach significantly reduces build times and minimizes wasted compute resources. This platform is ideal for engineering teams seeking to improve efficiency, reduce CI wait times, and gain better control over their build environments. It offers fine-grained resource allocation per task, allowing users to specify CPU and memory requirements, and bills by the second for cost-effectiveness. Mint CI also provides robust debugging capabilities, including SSH access into running tasks and rich observability, making it easier for engineers to diagnose and resolve issues quickly. It integrates seamlessly into existing development workflows, supporting local iteration and remote debugging. Beyond core CI/CD, Mint CI includes advanced test suite management features. It can automatically detect, quarantine, and track flaky tests, enabling teams to maintain shipping velocity while addressing underlying issues. The platform's intelligent caching mechanism reuses results based on filesystem contents, further speeding up subsequent runs and reducing redundant work.

05
TrackJS logo

Catch and report JavaScript errors for frontend visibility

Paid4.6/5126 ratings

TrackJS captures JavaScript errors in production. Frontend errors caught and reported-visibility into client-side problems. The capture is automatic. The context helps debugging. The noise is manageable. Frontend teams needing error visibility use TrackJS for JavaScript monitoring.

06
Atatus logo

Full-stack application monitoring and error tracking

Paid4.7/5109 ratings

Atatus provides full-stack monitoring from one platform. APM traces requests through your application. Error tracking catches exceptions with full context. Real user monitoring shows what actual users experience. The unified platform means you correlate frontend errors with backend causes without switching tools. Pricing scales predictably as your traffic grows. Teams who want comprehensive observability without stitching together multiple vendors find Atatus covers the essentials in one place.

07
Raygun logo

Error and performance monitoring

Paid4.3/5146 ratings

Raygun monitors errors and performance with detailed diagnostics. Crash reporting that shows what went wrong-error tracking with actionable detail. The diagnostics are detailed. The grouping is intelligent. The integration covers platforms. Development teams wanting detailed error insight use Raygun for comprehensive crash reporting.

08
Papertrail logo

Real-time log aggregation and analysis for DevOps

Freemium4.6/5103 ratings

Papertrail aggregates logs from servers, apps, and cloud services for troubleshooting and monitoring. DevOps teams search and analyze logs in real-time with instant alerts on patterns. The platform simplifies log management with minimal setup required.

09
LightRun logo

See your code in action, across any environment, with AI-powered runtime debugging.

Freemium4.8/567 ratings

Lightrun is a developer observability platform that provides real-time, line-level code context across the entire Software Development Life Cycle (SDLC). It supercharges IDEs and AI Agents by allowing developers to debug and remediate software issues autonomously, powered by live runtime data. The platform enables engineers to add dynamic logs, metrics, and snapshots to live applications without stopping, redeploying, or modifying code. Lightrun is designed for engineering teams that need to quickly pinpoint and resolve issues in complex, distributed environments, including production. It helps reduce Mean Time To Resolution (MTTR) by providing immediate visibility into application behavior, even for elusive bugs that only appear in specific environments. The tool integrates directly into popular IDEs like IntelliJ and Visual Studio Code, offering a seamless debugging experience for cloud-native, on-premise, containerized, and serverless applications.

LightRun UI screenshot
10
Airbrake logo

Error monitoring and performance tracking for applications

Freemium4.5/5103 ratings

Airbrake catches errors in your application before users complain about them. When something breaks in production, you get notified immediately with the full context needed to debug. Stack traces show exactly where failures occurred. Deployment tracking identifies which releases introduced problems. Aggregation groups related errors so you're not drowning in duplicate alerts. Production debugging without error monitoring is archaeology-piecing together what happened from incomplete logs. Airbrake gives you the complete picture in real time.

Why these debugging tools didn't make our top 10.

We evaluated 74 debugging tools and these 20 ranked 11 through 30. They're solid options that fell short on one or two axes (review depth, pricing transparency, feature parity), but worth a look if the leaders don't fit your stack or budget.

Pixie logo
Pixie
Open-source Kubernetes observability for developers with auto-instrumentation and scriptable debugging.
Keywords AI logo
Keywords AI
The AI gateway with built-in observability for LLM applications.
Zipy logo
Zipy
AI-powered session replays, error tracking, and analytics for optimizing user experience.
OpenReplay logo
OpenReplay
Self-hostable session replay and product analytics for understanding user behavior and troubleshooting issues.
Scout APM logo
Scout APM
Hassle-free application monitoring for faster clarity on errors, logs, and performance.
LiveSession logo
LiveSession
Accelerate product decisions with comprehensive analytics, session replays, and developer tools.
JSFiddle logo
JSFiddle
An online code playground for quickly testing and sharing HTML, CSS, and JavaScript snippets.
Nova logo
Nova
A powerful and flexible native macOS code editor with integrated tools for development workflows.
Bugsnag logo
Bugsnag
Error monitoring with diagnostic data for debugging
Highlight.io logo
Highlight.io
Open source session replay and monitoring
Bugfender logo
Bugfender
Remotely collect logs, errors, and crashes from every device to fix bugs faster.
Memfault logo
Memfault
Embedded observability and OTA for IoT devices to fix defects before customers notice.
Firebase Crashlytics logo
Firebase Crashlytics
Track, prioritize, and fix app crashes faster with AI-powered insights and real-time monitoring.
Appsignal logo
Appsignal
Application monitoring for Ruby, Elixir, and Node.js
Honeycomb logo
Honeycomb
Observability for distributed systems
Honeybadger logo
Honeybadger
All-in-one error tracking, application performance monitoring, and uptime checks for web apps.
Prisma Studio logo
Prisma Studio
Explore and edit data in your Prisma project, locally or collaboratively in the cloud.
Lightstep logo
Lightstep
Distributed tracing and observability
Tracetest logo
Tracetest
Trace-based testing for distributed systems
Jaeger logo
Jaeger
Open-source distributed tracing system

Browse all debugging tools

74 tools
LogRocket logo
LogRocket
Session replay & error tracking
freemium· Web
Rollbar logo
Rollbar
Real-time error tracking and debugging
freemium· Web
Sentry logo
Sentry
Application monitoring & error tracking
freemium· Web
Mint CI logo
Mint CI
The entirely new way to write and run CI/CD workflows for high-velocity teams.
freemium· Web
TrackJS logo
TrackJS
Catch and report JavaScript errors for frontend visibility
paid· Web
Atatus logo
Atatus
Full-stack application monitoring and error tracking
paid· Web
Raygun logo
Raygun
Error and performance monitoring
paid· Web
Papertrail logo
Papertrail
Real-time log aggregation and analysis for DevOps
freemium· Web
LightRun logo
LightRun
See your code in action, across any environment, with AI-powered runtime debugging.
freemium· Web
Airbrake logo
Airbrake
Error monitoring and performance tracking for applications
freemium· Web
Pixie logo
Pixie
Open-source Kubernetes observability for developers with auto-instrumentation and scriptable debugging.
free· Web
Keywords AI logo
Keywords AI
The AI gateway with built-in observability for LLM applications.
freemium· Web
Zipy logo
Zipy
AI-powered session replays, error tracking, and analytics for optimizing user experience.
freemium· Web, iOS, Android, Chrome
OpenReplay logo
OpenReplay
Self-hostable session replay and product analytics for understanding user behavior and troubleshooting issues.
freemium· Web
Scout APM logo
Scout APM
Hassle-free application monitoring for faster clarity on errors, logs, and performance.
paid· Web
LiveSession logo
LiveSession
Accelerate product decisions with comprehensive analytics, session replays, and developer tools.
freemium· Web
JSFiddle logo
JSFiddle
An online code playground for quickly testing and sharing HTML, CSS, and JavaScript snippets.
free· Web
Nova logo
Nova
A powerful and flexible native macOS code editor with integrated tools for development workflows.
paid· macOS
Bugsnag logo
Bugsnag
Error monitoring with diagnostic data for debugging
freemium
Highlight.io logo
Highlight.io
Open source session replay and monitoring
freemium· Web
Bugfender logo
Bugfender
Remotely collect logs, errors, and crashes from every device to fix bugs faster.
freemium· Web, iOS, Android
Memfault logo
Memfault
Embedded observability and OTA for IoT devices to fix defects before customers notice.
freemium· Web
Firebase Crashlytics logo
Firebase Crashlytics
Track, prioritize, and fix app crashes faster with AI-powered insights and real-time monitoring.
freemium· Web
Appsignal logo
Appsignal
Application monitoring for Ruby, Elixir, and Node.js
paid· Web
Honeycomb logo
Honeycomb
Observability for distributed systems
freemium· Web
Honeybadger logo
Honeybadger
All-in-one error tracking, application performance monitoring, and uptime checks for web apps.
freemium· Web
Prisma Studio logo
Prisma Studio
Explore and edit data in your Prisma project, locally or collaboratively in the cloud.
freemium· Web
Lightstep logo
Lightstep
Distributed tracing and observability
freemium
Tracetest logo
Tracetest
Trace-based testing for distributed systems
freemium· Web
Jaeger logo
Jaeger
Open-source distributed tracing system
free· Web
ngrok logo
ngrok
Expose local servers to the internet for testing and development
freemium· Web, macOS, Linux, Windows
Requestly logo
Requestly
Build, test, and debug APIs faster with a lightweight, open-source API client and web debugger.
freemium· macOS, Chrome
AVA logo
AVA
Node.js test runner for confident development with a concise API and isolated environments.
free
Coroot logo
Coroot
Full-stack observability with eBPF-powered and AI-guided insights for faster debugging.
freemium· Web
Redux logo
Redux
A JS library for predictable and maintainable global state management
free· Web
Shake logo
Shake
Streamline bug and crash reporting for mobile apps and websites with rich, automatic data.
freemium· Web
relayd logo
relayd
A simple, open-source tool to replay HTTP requests for testing and debugging.
freemium
ADB Wrench logo
ADB Wrench
Browser-based Android debugging tool for seamless development and testing.
free· Web
Coderrr logo
Coderrr
Your Open Source AI Coding Agent that writes, debugs, and ships code alongside you.
free· Web
MCPJam Inspector logo
MCPJam Inspector
Test and develop ChatGPT and MCP apps locally without ngrok or ChatGPT subscription.
freemium· Web, macOS, Windows
Struct logo
Struct
Automate on-call runbooks and proactively root-cause engineering alerts and bugs.
freemium· Web
AgentPulse by Rectify logo
AgentPulse by Rectify
One platform for monitoring, analytics, support, roadmaps, changelogs, and AI agent management.
freemium· Web
Monid logo
Monid
Monitor and analyze your AI models and applications with ease.
freemium· Web
TraceCode logo
TraceCode
Master algorithms by visualizing code execution and variable changes in real-time.
freemium· Web
DevRecorder logo
DevRecorder
Capture synchronized screen recordings with developer logs and network requests for efficient bug reporting.
freemium· Web, Chrome
WhatCable logo
WhatCable
Uncover the true capabilities of your USB-C cables and ports on macOS.
paid· macOS
superlog logo
superlog
Real-time log aggregation for serverless debugging
freemium
Hardhat logo
Hardhat
Rust-powered Ethereum development environment for robust smart contract creation and deployment.
free· Web
OpenCode logo
OpenCode
Open source AI coding agent for terminal, desktop, and IDE
freemium· Web, macOS, Windows, Linux
Zipkin logo
Zipkin
Open-source distributed tracing for microservice interactions
free· Web
Helicone logo
Helicone
Build reliable AI apps with Helicone: AI Gateway & LLM Observability for debugging, routing, and analysis.
freemium· Web
Blackfire logo
Blackfire
Crush performance bottlenecks and build resilient PHP & Python applications with actionable insights.
paid· Web
LangSmith logo
LangSmith
Debug, monitor, and optimize your LLM applications and AI agents with comprehensive observability.
freemium· Web
Hyperdx logo
Hyperdx
Affordable full-stack production debugging & monitoring with unified observability.
freemium· Web
AgentOps logo
AgentOps
Monitor, evaluate, and improve your AI agents with comprehensive observability.
freemium· Web
Baselime logo
Baselime
Cloud observability and error-tracking platform for developers, offering logs, metrics, and distributed tracing.
free· Web
Rivet logo
Rivet
The open-source visual AI programming environment for building and debugging LLM agents.
free
Phoenix logo
Phoenix
Evaluate, experiment, and optimize AI products in real time with open-source LLM tracing.
freemium· Web
Kreya logo
Kreya
Debug gRPC, REST, SSE, and WebSocket APIs from a single, privacy-first workspace.
freemium· macOS, Windows, Linux
Ellipsis AI logo
Ellipsis AI
Automated AI code reviews and bug fixes for every commit and pull request.
free· Web

Showing the top 60 of 74. Filter to narrow down.

In-depth: why these tools made the cut

Sentry logo

Sentry has the broadest SDK coverage (every major framework), a generous free tier, and continuous expansion into performance monitoring, profiling, and now session replay. For most teams, Sentry is the rational starting point and often stays the whole way.

Sentry's pricing can climb at high event volume. For cost-sensitive teams, GlitchTip (open-source) or Highlight.io offer cheaper alternatives.

How to choose debugging software

  1. Start with error tracking

    Every team should have error tracking from day one. Sentry is the default (free tier is generous, broad SDK support, performance monitoring included). Rollbar and Bugsnag are credible alternatives.

  2. Add session replay when frontend bugs matter

    When 'it doesn't repro' becomes the daily blocker, session replay (LogRocket, FullStory, Sentry Replay, OpenReplay) pays for itself. Bundle with error tracking when possible to reduce vendor count.

  3. Observability for backend root cause

    For complex distributed systems, traces (Datadog APM, Honeycomb, Tempo) beat logs alone. Add observability after error tracking and basic logs are in place.

Honorable mentions

Tools that didn't crack the headline list but deserve a look depending on what you optimize for.

  • LogRocket logo
    LogRocketBest for session replay + error in one tool

    LogRocket bundles replay with errors. For digital product teams investigating frontend bugs, the combined view saves time over correlating across two tools.

Best Debugging for

How we ranked these debugging tools

We rank by real-world signal: verified user ratings aggregated from G2, Capterra, and our own community, the volume and recency of media coverage, and hands-on editorial review for the tools we cover in depth. Pricing is re-checked and the ranking refreshed monthly. We do not sell placement in this list.

Tools reviewed
74
With free tier
88%
Last updated
June 2026

Frequently Asked Questions

What is the best debugging tool in 2026?

Based on our analysis of 74 debugging tools, LogRocket ranks #1 on Toolradar's assessment. The runners-up are Rollbar, Sentry, Mint CI. Our rankings are based on features, pricing, user reviews, and real-world testing across 74 products.

What are the top 3 debugging tools?

The top 3 debugging tools in 2026, ranked by Toolradar, are: 1) LogRocket, Session replay & error tracking. 2) Rollbar, Real-time error tracking and debugging. 3) Sentry, Application monitoring & error tracking.

Are there free debugging tools?

Yes: 7 out of our top 10 debugging tools offer free or freemium plans. The top free options are LogRocket, Rollbar, Sentry. Free plans typically include core features with usage limits.

How do I choose the right debugging tool?

Start by defining your team size, budget, and must-have features. LogRocket is the top-rated option overall. For budget-conscious teams, LogRocket offers strong value. Compare all 74 options side-by-side on Toolradar, where we evaluate features, pricing, ease of use, and user reviews.

For debugging vendors

Selling a debugging product? Reach 550K+ buyers through Toolradar & Dupple.

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