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

⚡️ Preconfigured components to speedup Spring Boot development

Spring configuration for running multiple data sources using annotations.

Java dataframe and visualization library

A tabular data structure (aka a data frame) based on the Eclipse Collections framework

In-memory Java DataFrame library

An extremely easy way to perform background processing in Java. Backed by persistent storage. Open and free for commercial use.

EvalEx is a handy expression evaluator for Java, that allows to evaluate simple mathematical and boolean expressions.

Unified Queries for Java