Error logging
elmah.io
Raygun
Raygun is an application monitoring and performance insight tool that helps you and your team to proactively find, diagnose and fix software errors and performance problems. Raygun is trusted by thousands of innovative organizations that use the tool to ship better experiences to their customers.
Airbrake
Airbrake is a web-based error monitoring and performance insight tool for you entire application stack. With Airbreak, developers and teams can fearlessly push their deployments to production, faster. Airbrake notifiers are available for every major programming language and framework and install in minutes. Which allow you to spend less time tracking down bugs and more time to develop an application that your customers will enjoy.
Rollbar
With Rollbar you can roactively discover, predict, and remediate application errors with real-time, AI-assisted workflows. Rollbar is an error tracking platform for JavaScript, PHP, Ruby, Python, DotNet, Java and iOS. It's loved by developer and trusted by enterprises and allows you to deploy with confidence and deliver more value to your customers, faster.
Sentry
Over 1 million developers across 60,000 organization use Sentry to diagnose, fix, and optimize the performance of their code. Sentry is a commerical application monitoring platform that allow them to ship better software faster.