Apache Commons DBCP software implements Database Connection Pooling

Spring Boot auto-configuration attempts to automatically configure your Spring application based on the jar dependencies that you have added.

Spring Boot makes it easy to create stand-alone, production-grade Spring based Applications that you can 'just run'. It takes an opinionated view of the Spring platform and third-party libraries so you can get started with minimum configuration.

The MyBatis SQL mapper framework makes it easier to use a relational database with object-oriented applications. MyBatis couples objects with stored procedures or SQL statements using a XML descriptor or annotations.

A JDBC datasource implementation.

The Commons Configuration software library provides a generic configuration interface that enables an application to read configuration data from various sources and requires Java 8.

Microsoft JDBC Driver for SQL Server.

Spring Boot Actuator AutoConfigure

XWiki Platform - Old Core

Core Calcite APIs and engine

Activiti :: Spring