Guava is a suite of core and expanded libraries that include utility classes, Google's collections, I/O classes, and much more.

Maven2 plugin for developing Jenkins plugins

Maven Plugin that executes the Protocol Buffers (protoc) compiler

This is the core Apache Tika™ toolkit library from which all other modules inherit functionality. It also includes the core facades for the Tika API.

Jersey core server implementation

gRPC: API

Fastjson is a JSON processor (JSON parser + JSON generator) written in Java

A Retrofit CallAdapter for RxJava 2's stream types.

Netty module for encoding and decoding binary and text-based messages with reusable codec components.

Jersey core common packages

Spring Data module for JPA repositories.