Kotlin
ShizuCallRecorder Brings Back Call Recording to Stock Android Without Root
ShizuCallRecorder uses Shizuku and scrcpy to record both sides of phone calls on Android 12+ without root access or system modifications.
Mobile
62 projectsiOS and Android development — native SDKs, cross-platform toolkits, and mobile-first libraries.
Kotlin
How One Kotlin Project Covers Android, iOS, Web, Wear OS, and AI Agents
A practical look at how one Kotlin Multiplatform project delivers shared business logic across Android, iOS, Web, Wear OS, and AI agents through MCP.
Kotlin
How the QuickNovel Web Novel Reader is Built in Kotlin
QuickNovel is a free open-source Android app that extracts clean text from dozens of web novel sites and turns it into neat offline books.
Java
Fast JSON Parsing in Java with New Security Rules in Fastjson2
Fastjson2 addresses the security flaws of its predecessor with SafeMode, AutoType disabled by default, and modern Java optimizations including Vector API and GraalVM support.
Java
How to Override the hosts File on Android Without Root Access
Virtual Hosts lets you override DNS on Android without root access. Perfect for mobile devs and QA engineers testing against local or staging environments.
Kotlin
How I Stopped Struggling with DNS Settings on Android
A quick look at adns, a tiny open-source tool that puts Android's Private DNS toggle right on your home screen or notification shade.
Kotlin
How to Build Your Own PDF Powerhouse in Kotlin Without Sending Data to the Cloud
Build your own privacy-first PDF powerhouse with Kotlin and Jetpack Compose — no cloud, no ads, just offline power.
Kotlin
How Jetpack Compose Helps Build Flexible Media Apps: EasyBangumi Case Study
EasyBangumi is a real-world example of Jetpack Compose in action — a modular Android client for anime with dynamic themes, plugin system, and custom video player.
Kotlin
How to Consolidate Scattered Thoughts in One Android App
MyBrain is an open-source Android app that combines notes, tasks, bookmarks, mood tracking, and AI assistance in one local-first, privacy-focused tool.
TypeScript
How to Teach AI Agents to Test Mobile Apps on Their Own
Callstack released agent-device, a CLI tool that gives AI agents "hands and eyes" to test mobile apps directly on simulators and emulators.
Kotlin
Your Personal GitHub-Based Google Play: RepoStore Review
RepoStore is a native Android client that turns GitHub repositories into neat app cards, making it easy to find and install open-source APKs without the usual hassle.
Kotlin
Rhythm — When an Android Player Sounds and Looks Like Art
Rhythm is a modern Android music player built with Jetpack Compose and Material 3, combining stunning design with studio-quality audio and smart features.
TypeScript
Databag - your personal messenger without dependencies
Databag is a federated open-source messenger that runs on devices with just 512 MB of RAM, even on a $5 Raspberry Pi Zero.
Kotlin
SmsForwarder: Universal Message Forwarder for Android
SmsForwarder turns your old Android phone into a communication hub, forwarding SMS, calls, and app notifications to Telegram, email, or other platforms.
TypeScript
Capacitor - Turning a Web App into a Native One Without Pain and Rewriting
Capacitor lets you turn any web app into a native mobile app for iOS and Android without rewriting. Here's how it works and when it's the right choice.
Java
NFCGate: The Swiss Army Knife for NFC Research on Android
NFCGate is an open-source Android tool for capturing, analyzing, and relaying NFC traffic. Created by TU Darmstadt researchers, it's essential for security researchers.
Java
Android Auto - More Than Just Navigation. How AAAD Opens New Horizons for Your Car
AAAD lets you install third-party apps on Android Auto without root access. Here's everything you need to know about this game-changing tool.
Unknown
A-to-Z Resources for Students: Everything a Beginner Developer Needs
A curated repository of resources for IT students and beginner developers, covering learning materials, hackathons, internships, and interview prep.
Kotlin
How to Turn a Walk into a Commit and Help OpenStreetMap Without the Pain
StreetComplete turns map updates into simple quests anyone can complete while walking. No GIS expertise needed—just answer questions and improve OpenStreetMap.
Kotlin
SmolChat-Android - Your Pocket AI Without Internet
SmolChat-Android is an open-source app that runs compact language models locally on your Android device, no internet required.
C
Linux on Your iPhone? iSH Makes the Impossible Possible!
iSH brings a full Linux shell to your iOS device, letting you run Alpine Linux, Git, Python, and more on the go. A game-changer for developers.
Kotlin
A Simple Voice Recorder for Those Who Value Privacy
A privacy-focused, ad-free voice recorder for Android. Open-source, offline, and minimalist — Simple Voice Recorder gets the job done without the clutter.
Python
Andriller CE — Swiss Army Knife for Android Forensics
Andriller CE is a Python-based forensic toolkit for Android devices that extracts data, bypasses locks, and analyzes app backups including encrypted WhatsApp databases.
Kotlin
FileNavigator — The File Manager Android Has Been Missing
FileNavigator is a modern open-source file manager for Android that solves the chaos problem with intuitive sorting, gesture navigation, and full file management features.
545