
elmah.io
May be the coolest cloud based error logger 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. All exceptions on your webservers will automatically be synced to elmah.io’s powerful infrastructure based on ElasticSearch and Windows Azure. When indexed, everything from full-text to time-based searches fly at supersonic speed.