- Android Arsenal - Android developer portal with tools, libraries, and apps
- Android Weekly - Android Weekly is a free newsletter that helps you to stay cutting-edge with your Android Development.
- Android Dev Digest - A Handcrafted Weekly #AndroidDev Newsletter.
- Android Dev Reddit - News for Android developers with the who, what, where when and how of the Android community.
- Google Developer Experts - Medium - Articles, tips/tricks and best practices by Google Developers Experts. It has posts for different technologies but you have to look for android specifically!
- Android Best Practices - Repository which has listed best practices for Beginner Android Developer
- Import Java - Weekly Java & Android Newsletter
- CodePath - CodePath Android Cliffnotes
- Stetho - A debug bridge for Android applications
- Hugo - Annotation-triggered method call logging for your debug builds.
- Logger - Simple, pretty and powerful logger for android.
- Timber - A logger with a small, extensible API which provides utility on top of Android's normal Log class.
- LeakCanary - A memory leak detection library for Android and Java.
- Gson - Gson is a Java library used for serializing and deserializing Java objects from and into JSON.
- Jackson JSON Processor - High-performance JSON processor.
- Moshi - A modern JSON library for Android and Java developed by Square Inc.
- JSON viewer - View JSON not response
- JSON editor - Create and view JSON
- JSON Plugin - Plugin that help your response to view in Formated JSON
- Angry Tools - Tools like CSS,Gradient,Android Button,Code for Email,Android Pixel Calculator and many more
- Android Asset Studio - Icon generators, Theme generator
- Device metrics(Google) - Select a device to view detailed information, recommended material design measurements, and values for portrait and landscape orientations.
- Find any shared logins(bugmenot.com) - Enter a website below to see if the bugmenot community has shared any logins for it...
- Generate POJO - Generate Plain Old Java Objects from JSON or JSON-Schema.
- Implement Parcelable - Implements Parcelable for your JAVA class. You can even use POJO class.
- Material Color Generator - Select Main color for your app theme and rest will be generated accordingly.
- Sort Text Lines - Enter your text/list for sorting here.
- Performance Analysis of App - Get a detailed analysis about performance, security and functionality.
- Material Palette Generator - Choose your favorite colors and get your Material Design palette generated and downloadable.
- Gradle, Please - Super Easy search for dependencies
- Methods Count - Android libraries are great, but they come at a cost. Use this tool to avoid the dreaded 65K method limit of the DEX file format!
- Android 9-patch shadow generator - Android 9-patch shadow generator fully customizable shadows
- Google Material design icons - Material icons for both Light and Dark themes, downloaded as either SVGs or PNGs.
- adb-idea - A plugin for Android Studio and Intellij IDEA that speeds up your day to day android development.
- android-butterknife-zelezny - Android Studio plug-in for generating ButterKnife injections from selected layout XML.
- ParcelableGenerator - IntelliJ Plugin for Android Parcelable boilerplate code generation.
- gradle-android-javadoc-plugin - Gradle plugin to generate Javadoc
- findViewByMe - A plugin for android developer, with the plugin you can generate "findViewById" code quickly.
- Material-Template - Android-studio-material-template
- BaseProject-Template - Template for Base Project includes volley lib ,Image loading libs ,basic utils classes
- Dagger - Dependency injection framework for Java and Android.
- Butter Knife - View "injection" library for Android.
- RoboGuice - Dependency injection framework for Android.
- AndroidAnnotations - Java annotations with dependency injection at compile time.
- SwissKnife - A multi-purpose library containing view injection and threading for Android using annotations.
- Transfuse - A Dependency Injection and Integration framework for Google Android.
- OkHttp - An HTTP & HTTP/2 client for Android and Java applications by Square, Inc.
- Retrofit - Type-safe HTTP client for Android and Java by Square, Inc.
- Volley - Google's HTTP library that makes networking for Android apps easier and most importantly, faster.
- Android Asynchronous Http Client - An asynchronous callback-based Http client for Android built on top of Apache’s HttpClient libraries.
- Picasso - A powerful image downloading and caching library for Android by Square, Inc.
- Glide - A powerful image downloading and caching library for Androidhttps://github.com/bumptech/glide
- Fresco - An Android library for managing images and the memory they use by Facebook
- Android Universal Image Loader - Powerful and flexible library for loading, caching and displaying images on Android.
- Glide Transformations - An Android transformation library providing a variety of image transformations for Glide.
- Picasso Transformations - An Android transformation library providing a variety of image transformations for Picasso
- Most memory efficient way to resize bitmaps on android? - An SO post by Colt McAnlis on most efficient way to resize bitmaps.
- Crashlytics with Fabric kit - A powerful crash reporting solution with statistics by Twitter
- Crittercism - Crittercism aka Apteligent - A powerful tool for crash reporting, user flows and service monitoring
- ACRA - ACRA is a library enabling Android Application to automatically post their crash reports to a GoogleDoc form.
- Firebase Analytics - Firebase Analytics is a free app measurement solution that provides insight on app usage and user engagement.
- RxAndroidBLE - RxAndroidBle is a powerful painkiller for Android's Bluetooth Low Energy headaches. It is backed by RxJava, implementing complicated APIs as handy reactive observables.
- Realm - Realm is NoSQL Mobile Database
- SimpleNoSQL - A simple NoSQL client for Android. Meant as a document store using key/value pairs and some rudimentary querying. Useful for avoiding the hassle of SQL code.
- CouchBase - The NoSQL database solution for mobile — everything you need to build always-available apps that work online & offline.
- SnappyDB - A fast and lightweight key/value database library for Android
- ActiveAndroid - Active record style SQLite persistence for Android.
- GreenDao - greenDAO is an open source project to help Android developers working with data stored in SQLite.
- Sugar ORM - Insanely easy way to work with Android Databases.
- HelloCharts - Charts/graphs library for Android with support for scaling, scrolling and animations.
- WilliamChart - Flexible charting library with useful motion capabilities.
- AndroidPlot - plotting library for Android
- AndroidGraphView - library to create flexible and nice-looking diagrams
- AndroidCharts - Easy to use charts
- EazeGraph - Another newer library with potential
- HoloGraphLibrary - Newer graphing library
- AChartEngine - This is a charting software library for Android applications
- MPAndroidChart - A powerful Android chart view / graph view library
- RxAndroid - Android specific bindings Reactive Extensions to write easy event-based and asynchronous programs using observable sequences.
- RxJava - Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.
- RetroLamda - This plugin will automatically build your java or android project with retrolambda, giving you lambda goodness on java 6 or 7.
- Guava - The Guava project contains several of Google's core libraries that we rely on in our Java-based projects: collections, caching, primitives support, concurrency libraries, common annotations, string processing, I/O, and so forth.
- ReDex - Android bytecode (dex) optimizer, It provides a framework for reading, writing, and analyzing .dex files
- AndroidEventBus - A lightweight eventbus library for android, simplifies communication between Activities, Fragments, Threads, Services, etc.
- EventBus - Android optimized event bus that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.
- tinybus - A lightweight and simple event bus optimized for Android.
- Drekkar - An Android event bus for WebView and JS.
- Awesome Android Tips
- Awesome Android Complete Refrence - Awesome Android Complete Refrence
- open resources - an openly available directories containing usefull resources for android
- Android App Reverse Engineering 101 - Learn to reverse engineer Android applications!