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

Spring Framework

Free universal database tool and SQL client

A powerful 🚀 Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, panning and animations.

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

Bind Android views and callbacks to fields and methods.

Quarkus: Supersonic Subatomic Java.

Style and Grammar Checker for 25+ Languages

Idiomatic persistence for Java and relational databases

Angry IP Scanner - fast and friendly network scanner

Android Graph Library for creating zoomable and scrollable line and bar graphs.

Ultra-fast matching engine written in Java based on LMAX Disruptor, Eclipse Collections, Real Logic Agrona, OpenHFT, LZ4 Java, and Adaptive Radix Trees.

This is starter template for writing Android apps using Clean architecture

Building a RESTful Web Service :: Learn how to create a RESTful web service with Spring.

Lightning Memory Database (LMDB) for Java: a low latency, transactional, sorted, embedded, key-value store

Charts and plots for Android

Extends features for the matlab editor, Bookmarks, FileStructure, Clipboard stack

A 26 KB-take on the Khan Android app.

Code examples from The Essentials of Android Application Development LiveLessons, 2nd Edition