TrackJS JavaScript Error Logging
Rollbar
Raygun
Bugfender
Bird Eats Bug
CatchJS
Marker.io
BugSnag
ErrLytics
Bugfender
Bird Eats Bug
Marker.io
Shake
Bugasura
BugHerd
GitLab
ErrLyticsRollbar - Rollbar collects errors that happen in your application, notifies you, and analyzes them so you can debug and fix them. Ruby, Python, PHP, Node.js, JavaScript, and Flash libraries available.
Bugfender - Cloud logging for your apps, not only crashes matter
Raygun - Raygun gives developers meaningful insights into problems affecting their applications. Discover issues - Understand the problem - Fix things faster.
Bird Eats Bug - Saw a bug? Send an instant replay to engineers. It will come with console logs and everything. Developers will โค๏ธ you.
Marker.io - Visual feedback and bug reporting tool for websites
Shake - Simple legal document creation