Yeller!

Rollbar collects errors that happen in your application, notifies you, and analyzes them so you can debug and fix them. JavaScript, Ruby, Python, PHP, Node.js, Android, Flash, .NET, and Java libraries are available.

Airbrake collects errors generated by other applications, and aggregates the results for review.

RapidSpike is an uptime and performance monitoring service for websites and web applications. It simplifies monitoring, alerting and reporting to support your online presence and to ensure a positive user experience. Organisations use it to identify problems, measure performance and improve capacity planning.

SessionStack helps you see your web app defects through a user’s eyes.

IQLECT is the creator of Ampere, a real-time big data analytics platform. Various apps for data center infrastructure monitoring, clickstream analysis, log analysis and others can be deployed on the platform.

Software companies are adopting fast-moving development methods like continuous integration and continuous deployment, but QA testing has remained the weak point for many teams who want to move fast. Fortunately, you don’t have to settle for slow moving manual testing techniques or brittle automation to move fast and build great software. Rainforest QA is a continuous QA platform that leverages qualified testers to help companies create continuous QA testing processes that fit their CI/CD development workflow. With Rainforest QA, teams run functional and regression tests in plain English, and receive results in under 30 minutes. Anything you can do in a browser, Rainforest QA can test. On-demand around the clock, Rainforest is available 24/7 for testing when you're ready, not when your QA team is free. Rainforest is powered by qualified human testers, which means it remains flexible enough that you won't have to rewrite tests every time you change your code. »

Web operations for development teams release tracking, error logging and team collaboration that you can set up in minutes.

Golang exception monitoring and profiling for the go language.

You can send any type of event to your Exceptionless dashboard. Create tags for organization, and you've got a robust event logging system!

Honeybadger is the modern error management service for rails