Free and Open Source, Distributed, RESTful Search Engine

Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.

Spring Framework

The MongoDB Database

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

The Community Maintained High Velocity Web Framework For Java and Scala.

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

Practised Data Structures

The spring.io site and reference application

My notes for AWS Solutions Architect Associate.