A list of Free Software network services and web applications which can be hosted on your own servers

Learn Low Level Design (LLD) and prepare for interviews using free resources.

Learn the fundamentals of cloud computing

Spring for GraphQL Examples

A Collection of Problems from Cracking the Coding Interview

Spring Batch is a framework for writing batch applications using Java and Spring

Example code for the book Microservice patterns

Spring Framework

A tool for mocking HTTP services

Official source of container configurations, images, and examples for Oracle products and projects

A java library to create valid SEPA direct debit and SEPA bank transfer XML documents