Logary - Professional logging metrics and analytics for your apps
Serilog - Backend Development and Utilities
Sejil - Capture, view and filter your ASP.net core log events right from your app
LOGBack - Logging framework
Logmatic - Logmatic is a log centralization, analytics & visualization platform to improve software & business performance.
AWS CloudTrail - AWS CloudTrail is a web service that records AWS API calls for your account and delivers log files to you.