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Kelm simplifies management of complex app states and asynchronous tasks. Kelm is a Kotlin library based on the Elm Architecture and RxJava.

Nov 21, 2019

A simple library that can implement custom google sign in button in your android app.

Nov 21, 2019
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Reactive Tiny is a lightweight library for composing asynchronous and event-based programs using observable sequences.

Nov 19, 2019

Lympha is a library for logging by annotation-triggered method call.

Nov 19, 2019

KryptoPrefs is an open source Kotlin library for handling encrypted SharedPreferences in Android.


  • Lightweight library (~70 KB) with no dependencies.
  • High compatibility (API 9 to API 29).
  • Modular: Use the provided algorithms or make your own.
  • Usable from Java and Kotlin.
  • Supports the Android Keystore.
  • KryptoContext for higher level features:
    • Supported types: string, int, long, boolean, date, double, float, short, byte, char, enum and json.
    • Types can be nullable.
    • Types can be memory backed.
    • Types can be observed.
    • Custom types with your custom transform (e.g. JSON).
    • Asynchronous reads and writes.
Nov 19, 2019

In wallpaper application we need to write lot's an extra code to set a wallpaper. This library used for setting wallpaper in our device.

Nov 18, 2019

CoolRs is a collection of Android Renderscript effects.

Nov 14, 2019

A simple library to add dynamic and pinned shortcuts.

Nov 13, 2019

A command-line tool for checking Android OS version history written by Rust.

Nov 12, 2019

Android Home Control Client.

Nov 12, 2019

Flourish is a polished and dynamic way to show up layouts.

Nov 11, 2019

This library contains all utils related to google location.

Nov 10, 2019

A demo app for demonstration a way of backup user data.

Nov 10, 2019

A powerful and efficient library written in Kotlin to record WAVE form audio files (WAV) in Android with recording customizations.

Nov 7, 2019

NoticeBoard is a changelog library for Android API 21+. It helps developers display the history of changes in their applications.

Nov 1, 2019

Preview Image Collection is a library to draw a collage with a number of images like facebook preview album.

Nov 1, 2019

This is a simple library that facilitates text validation and error handling in a user-friendly way on EditText with (TextInputLayout support). For MVVM + data binding stack.

Oct 30, 2019

Jubako makes things super simple to assemble rich content into a RecyclerView such as a wall of carousels (Google Play style recycler in recyclers). Jubako can load content on the fly asynchronously, infinitely with pagination.

Oct 30, 2019
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RoundableLayout is an easy to make round corner layout in an Android. And it implements ConstraintLayout, so you can directly handle inner layout, too.

Oct 29, 2019

Gordon is an Android instrumentation test runner designed for speed, simplicity, and reliability, so you can plug it in and never worry about flaky UI tests again.

Oct 29, 2019

A lightweight Android material bottom navigation bar library.

Oct 28, 2019

An Video Picker library for Android with customization, written purely in Kotlin.

Oct 28, 2019

Reacts dynamically with an indicator when the scroll is changed.

Oct 28, 2019

Expands and collapses a layout's horizontal and vertical sequentially.

Oct 28, 2019

LinearGraphView is simple light weight custom view to display color coded information in a graph like format.

Oct 27, 2019

This library is inspired by the instagram video button having the same animation, look and feel.

Oct 26, 2019

A beautiful and stylish android dialog to make your app looks pretty and boost your productivity.

Oct 25, 2019

A RadioGroup which doesn't lose state with inner ViewGroup. Create a complex views with RadioButtons.

Oct 25, 2019

A simple two-classes DI container written in Kotlin but Java-friendly.

Oct 24, 2019

A library for starting & finishing Android activities with a circular reveal animation . Currently only for API 22+, but can still be included with projects targeting lower APIs.

Oct 22, 2019