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.

qos-ch / slf4j

Simple Logging Facade for Java

tinylog-org / tinylog

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

7mind / izumi

Productivity-oriented collection of lightweight fancy stuff for Scala toolchain

outr / scribe

The fastest logging library in the world. Built from scratch in Scala and programmatically configurable.