Error tracking tools in 2026

Commercial error tracking tools

1. 1
   Sentry Functional Software, Inc.

   Application performance monitoring for developers & software teams to see errors clearer, solve issues faster & continue learning continuously. Get started at sentry.io.

   Complete system Production-ready Almost any software team that ships code to users and wants to see errors as they happen, with SDKs for most languages.

   Commercial
2. 2
   Bugsnag SmartBear Software

   Unlock performance & error monitoring for your application with BugSnag. Monitor, analyze, and optimize in real time to ensure a seamless user experience.

   Complete system Production-ready Mobile app teams that care about crash-free session rates per release and want an established hosted tool.

   Commercial
3. 3
   Rollbar Rollbar

   Error monitoring for software teams, Resolve to open a tested fix, and Rollbar Lines to work your whole backlog on your own systems. Free plan available.

   Complete system Production-ready A team wants a hosted error tracker focused on errors and deploys rather than full observability, with a free plan to start.

   Commercial
4. 4
   Honeybadger Honeybadger Industries

   Real-time error tracking, APM & logging for your favorite stack. Helps developers find and fix issues faster. Get started for free.

   Complete system Production-ready A small team, especially a Rails shop, wants errors, uptime and job monitoring from one simple vendor.

   Commercial
5. 5
   Raygun Raygun

   Raygun gives you a window into how users are really experiencing your software applications. Detect, diagnose and resolve issues that are affecting end users.

   Complete system Production-ready A team, often on .NET, wants crash reports and real user performance data in one hosted product.

   Commercial

Open-source error tracking tools

Complete systems you can adopt 4

1. 1
   Errbit errbit

   The open source error catcher that's Airbrake API compliant :ukraine:

   Complete system Usable You want free self-hosted error tracking for apps that already use Airbrake clients.

   ★ 4.3k MIT Ruby Active, pushed today
2. 2
   Exceptionless exceptionless

   Exceptionless application

   Complete system Production-ready Your apps are mainly .NET and you want error tracking with first-class .NET integration.

   ★ 2.5k Apache-2.0 C# Active, pushed today
3. 3
   Measure measure-sh

   Measure helps mobile teams monitor and fix crashes, ANRs, bugs, and performance issues. The open source alternative to Firebase Crashlytics.

   Complete system Usable A mobile team wants crash reporting and session timelines on infrastructure it controls.

   ★ 1.4k Apache-2.0 TypeScript Active, pushed 5 days ago
4. 4
   Rustrak rustrak

   Ultra-lightweight error tracking server compatible with Sentry SDKs

   Complete system Experimental You want Sentry-compatible error tracking on a small server without self-hosting full Sentry.

   ★ 800 GPL-3.0 Rust Active, pushed 6 days ago

Building blocks for your own system 2

1. 1
   Tower mimiquate

   🏰 Vendor-Neutral Exception/Error Tracking/Reporting/Monitoring in Elixir

   Building block Usable Your Elixir app should report errors without tying code to one error-tracking vendor.

   ★ 200 Apache-2.0 Elixir Active, pushed 13 days ago
2. 2
   Lapse pyaesone17

   Laravel Self Hosted Tiny Error Tracking System With Notifications

   Building block Experimental Not for new projects.

   ★ 174 MIT PHP Quiet, pushed 8 years ago

Compared head to head

Also under monitoring and observability tools

Open-source licenses

• Permissive: 5. Use it anywhere, including in closed products. You keep the copyright notice; Apache-2.0 also grants patent rights.
• Strong copyleft: 1. If you distribute the program or anything built on it, you must release the whole source under the same license.

Languages

Ruby 1, C# 1, TypeScript 1, Rust 1, Elixir 1 and PHP 1.