LOGBack - Logging framework
log4net - log4net is a tool to help the programmer output log statements to a variety of output targets.
Serilog - Backend Development and Utilities
AWS CloudTrail - AWS CloudTrail is a web service that records AWS API calls for your account and delivers log files to you.
Logary - Professional logging metrics and analytics for your apps
ZeroLog - ZeroLog is a JSON logging library that allows you to log messages in a structured, searchable, and easily parseable format and allow for customizable output.