elmah.io is a cloud based error logger and management tool for .NET web applications. Based on the de-facto standard error component ELMAH, logging errors from your webserver requires nothing more than installing a NuGet package. We support both ELMAH as well as popular .NET logging frameworks like log4net, NLog and Serilog.When installed, all exceptions on your webservers will automatically be synced to elmah.io’s powerful infrastructure based on Elasticsearch and Windows Azure. Everything from full-text to time-based searches fly at supersonic speed. Our integration with Slack automatically notify your team members when new errors are logged.elmah.io is a paid service, but you can sign up for a free 21 day trial.