A comprehensive Domain-Driven Design example with problem space strategic analysis and various tactical patterns.

A freelance project for Rental Car Tracking Application on Android

A freelance project for Rental Car Tracking Application iOS

A CRUD application for User Management.

A modern runtime for JavaScript and TypeScript.

The Laravel Framework.

Laravel is a web application framework with expressive, elegant syntax. We’ve already laid the foundation for your next big idea — freeing you to create without sweating the small things.

Event bus for Android and Java that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.

An image loading and caching library for Android focused on smooth scrolling

A modern JSON library for Kotlin and Java.

Square’s meticulous HTTP client for the JVM, Android, and GraalVM.

A type-safe HTTP client for Android and the JVM

Classic pacman with procedurally generated infinite vertical maze.

A CodeIgniter Content Management System

Prove your might with this performance challenge

Extensive Open-Source Guides for Android Developers

freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.