qos-ch / slf4j

Simple Logging Facade for Java

OpenFeign / feign

Feign makes writing java http clients easier

micrometer-metrics / micrometer

An application observability facade for the most popular observability tools. Think SLF4J, but for observability.

tinylog-org / tinylog

tinylog is a lightweight logging framework for Java, Kotlin, Scala, and Android