Master programming by recreating your favorite technologies from scratch.

A collective list of free APIs

A complete computer science study plan to become a software engineer.

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

💯 Curated coding interview preparation materials for busy software engineers

24 Lessons, 12 Weeks, Get Started as a Web Developer

A list of awesome beginners-friendly projects.

Source code for the X Recommendation Algorithm

A fully functional Android app built entirely with Kotlin and Jetpack Compose

Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)

Your Cheat Sheet For Android Interview - Android Interview Questions and Answers

An awesome list that curates the best Kotlin Multiplatform libraries, tools and more.

This is a movies sample app in Kotlin, which is part of a serie of blog posts I have written about architecting android application using different approaches.

☎️ The ownCloud Android App

Kotlin Multiplatform sample with SwiftUI, Jetpack Compose, Compose for Wear, Compose for Desktop, and Compose for Web clients along with Ktor backend.

💬 Android Chat SDK ➜ Stream Chat API. UI component libraries for chat apps. Kotlin & Jetpack Compose messaging SDK for Android chat

Calf is a library that allows you to easily create adaptive UIs and access platform specific APIs with Compose Multiplatform (Adaptive UI, File Picker, WebView, Permissions...).

📱 WhatsApp clone project demonstrates modern Android development built with Jetpack Compose and Stream Chat/Video SDK for Compose.

2008-2012 Roadster Development and Diagnostic Software files

SKIE - Swift Kotlin Interface Enhancer

Clean Architecture for Android - a sample project

A chart library for Compose Multiplatform

Recipe App in Compose Multiplatform (KMP) targeting Android, iOS, Web and Desktop.

Intercom for Android, for integrating Intercom into your Android application.

Kompose Country Code Picker is a Jetpack Compose library based on Material 3 (M3) that provides a country code picker for Android apps.

Android permissions as suspend functions.

A scalable Flutter app template that uses flutter_bloc and go_router. Save weeks of work for your next Flutter app 🚀

Job Search Resources

🎙️ A real-time meeting room app built with Jetpack Compose to demonstrate video communications.