🗝️ Dotenv is a no-dep, pure Java module that loads environment variables from a .env file

Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.

Google core libraries for Java

A Java serialization/deserialization library to convert Java Objects into JSON and back

Very spicy additions to the Java programming language.

Typesafe representation of tuples in Java.

Most popular Mocking framework for unit tests written in Java

A type-safe HTTP client for Android and the JVM

PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.

Database testing made easy!

Simple API, Complex Emails (Jakarta Mail smtp wrapper)

A library that creates fully populated objects for your unit tests.

Secure and speedy templates for Java and Kotlin.

vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.

ZIO — A type-safe, composable library for async and concurrent programming in Scala

Lightweight, modular, and extensible library for functional programming.

A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead

An artifact of fully-specified annotations to power static-analysis checks, beginning with nullness analysis.