Assembly Line

Bugsnag

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

Bugsnag is commercial error tracking software made by SmartBear Software.

Made by
SmartBear Software
Source code
Closed

Website

Judgement

What it is
Complete system
What it does
Reports errors and crashes from web and mobile apps, groups them, and tracks app stability scores per release.
Adopt it when
Mobile app teams that care about crash-free session rates per release and want an established hosted tool.
Watch out
Owned by SmartBear, so the roadmap follows a larger tools portfolio; pricing rises with event volume.
Ready for
Production-ready
Runs as
Cloud service
What the license allows
Closed source: you use it under the maker's terms and cannot change or resell the code.

Judged on 2026-11-03 from the maker's description and Wikipedia. The license and age lines are worked out directly.

Compare Bugsnag

Open-source alternatives to Bugsnag

  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 today
  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.

    ★ 836 AGPL-3.0 Rust Active, pushed today
  5. 5
    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
  6. 6
    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

Other 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
    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
  3. 3
    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
  4. 4
    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

Under it

Every program, Bugsnag included, runs on a microchip.

How compilers were built, back to punched paper tape

The description is the maker's own, quoted as written.