tinylog - tinylog is a lightweight logging framework with static logger class for Java and can be configured...
log4net - log4net is a tool to help the programmer output log statements to a variety of output targets.
Apache Log4j - Log4j is a logging framework (APIs) written in Java.
Serilog - Backend Development and Utilities
LOGBack - Logging framework
Logmatic - Logmatic is a log centralization, analytics & visualization platform to improve software & business performance.