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Open source Android libraries are freely available for distribution and modification under an open source license. This category contains a big variation in functionality, ranging from image loading, progress bars and sliding panels to full-fledged solutions for APIs.
This overview of open source Android SDKs provides you with the most-used and well-known libraries used in many different apps, including SDKs like Glide, ReactiveX, React Native and Kotlin.
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A collection of libraries that help you design robust, testable, and maintainable apps.
82.07% of apps
65.79% of installs
Provides a stable but relatively compact binary serialization format that can be passed across proc…
82.07% of apps
60.18% of installs
The Android Jetpack Media library contains classes that are helpful for building apps that play aud…
76.09% of apps
54.28% of installs
Android Jetpack is a library that you can add to your Android application in order to use APIs that…
80.43% of apps
54.17% of installs
Kotlin is a JVM based programming language and an officially supported Android language since Googl…
78.26% of apps
53.36% of installs
Provides the base Activity subclass and the relevant hooks to build a composable structure on top.
77.17% of apps
51.67% of installs
With WorkManager, you can easily set up a task and hand it off to the system to run under the condi…
70.65% of apps
48.70% of installs
Chromium is an open-source browser project that aims to build a safer, faster, and more stable way …
54.89% of apps
47.81% of installs
ViewPager2 replaces ViewPager, addressing most of its predecessor’s pain-points, including right-to…
67.39% of apps
46.48% of installs
This library adds support for the Action Bar user interface design pattern. This library includes s…
76.63% of apps
44.22% of installs
Gson is a Java library that can be used to convert Java Objects into their JSON representation. It …
70.11% of apps
43.17% of installs
Android includes the transitions framework, which enables you to easily animate changes between two…
51.63% of apps
42.24% of installs
Android Jetpack is a library that you can add to your Android application in order to use APIs that…
79.35% of apps
40.09% of installs
Lottie is a mobile library that parses Adobe After Effects animations exported as json and renders …
53.80% of apps
33.39% of installs
An image loading and caching library for Android focused on smooth scrolling.
57.07% of apps
30.70% of installs
This open-source Java library allows you to integrate Facebook into your Android application.
29.89% of apps
28.48% of installs
Protocol Buffers are a way of encoding structured data in an efficient yet extensible format. Googl…
41.85% of apps
28.33% of installs
Provides the base Activity subclass and the relevant hooks to build a composable structure on top.
71.74% of apps
26.02% of installs
React Native lets you build mobile apps using only JavaScript, letting you compose a mobile UI from…
10.87% of apps
22.41% of installs
The Support Library is a static library that you can add to your Android application in order to us…
49.46% of apps
20.95% of installs
Static library support version of the framework's Loader.
55.43% of apps
19.18% of installs
The Simple Logging Facade for Java or (SLF4J) serves as a simple facade or abstraction for various …
27.17% of apps
19.02% of installs
Okio is a library that complements java.io and java.nio to make it easier to access, store, and pro…
49.46% of apps
18.45% of installs
Views and Drawable for displaying animated GIFs on Android.
4.89% of apps
17.35% of installs
ReactiveX provides an API for asynchronous programming with observable streams. This API is availab…
49.46% of apps
16.82% of installs
ZXing (pronounced "zebra crossing") is an open-source, multi-format 1D/2D barcode image processing …
38.59% of apps
15.36% of installs
Standalone efficient collections.
48.37% of apps
14.82% of installs
The Support Library is a static library that you can add to your Android application in order to us…
44.02% of apps
14.72% of installs
The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms.
22.28% of apps
13.94% of installs
Static library support version of the framework's CursorAdapter.
40.22% of apps
13.66% of installs
This is a class for reading and writing Exif tags in various image file formats.
39.67% of apps
13.56% of installs
Volley is an HTTP library that makes networking for Android apps easier and faster.
23.37% of apps
13.39% of installs
Spongy Castle is the stock Bouncy Castle library with a couple of small changes to make it work on …
4.35% of apps
12.99% of installs
LocalBroadcastManager is an application-wide event bus and embraces layer violations in your app: a…
38.04% of apps
12.92% of installs
Android optimized event bus that simplifies communication between Activities, Fragments, Threads, S…
23.37% of apps
11.54% of installs
Helper class for inflating layouts asynchronously.
29.35% of apps
11.39% of installs
Picasso allows for hassle-free image loading in your application by handling ImageView recycling an…
27.72% of apps
7.95% of installs
Apache Commons Codec (TM) software provides implementations of common encoders and decoders such as…
15.76% of apps
7.46% of installs
A helper library for printing bitmaps.
29.89% of apps
7.06% of installs
Representation of a document backed by either a DocumentsProvider or a raw file on disk. This is a …
29.35% of apps
6.98% of installs
Reactive Streams is an initiative to provide a standard for asynchronous stream processing with non…
25.54% of apps
6.63% of installs
Bolts is a collection of low-level libraries designed to make developing mobile apps easier.
9.78% of apps
5.69% of installs
Commons IO is a library of utilities to assist with developing IO functionality.
14.67% of apps
5.47% of installs
ShortcutBadger makes your Android App show the count of unread messages as a badge on your App shor…
7.07% of apps
4.59% of installs
The Checker Framework enhances Java's type system to make it more powerful and useful. This lets so…
14.67% of apps
4.53% of installs
App Center is a continuous integration, delivery and learning tool for Android apps. It provides an…
5.43% of apps
4.36% of installs
jsoup is a Java library for working with real-world HTML. It provides a very convenient API for ext…
8.70% of apps
4.35% of installs
The Joda project is a group of Java open-source projects that seeks to improve core Java functional…
17.93% of apps
4.29% of installs
A cache that uses a bounded amount of space on a filesystem. Each cache entry has a string key and …
5.43% of apps
4.12% of installs
Paging indicator widgets compatible with the ViewPager from the Android Support Library and ActionB…
3.26% of apps
3.75% of installs
RoundedImageView is a fast ImageView (and Drawable) that supports rounded corners (and ovals or cir…
2.17% of apps
3.14% of installs
Provides a simple way to add a draggable sliding up panel (popularized by Google Music and Google M…
1.09% of apps
2.60% of installs
The standard Java libraries fail to provide enough methods for manipulation of its core classes. Ap…
3.26% of apps
2.45% of installs
OpenCensus is a set of libraries for various languages that allow you to collect application metric…
3.26% of apps
2.03% of installs
The Logging package is an ultra-thin bridge between different logging implementations.
3.80% of apps
2.00% of installs
OkHttp is an efficient HTTP client providing features such as SPDY, connection pooling, transparent…
5.98% of apps
1.84% of installs
Protocol Buffers are a way of encoding structured data in an efficient yet extensible format. JavaN…
2.17% of apps
1.81% of installs
The Support Library is a static library that you can add to your Android application in order to us…
4.35% of apps
1.74% of installs
This is a repackaging of HttpClient for Android.
3.80% of apps
1.50% of installs
Butter Knife provides field and method binding for Android views.
6.52% of apps
1.43% of installs
greenDAO is a light & fast ORM solution for Android that maps objects to SQLite databases.
2.17% of apps
1.37% of installs
Sentry provides self-hosted and cloud-based error monitoring that helps developers discover, triage…
7.07% of apps
1.24% of installs
This is a logger with a small, extensible API which provides utility on top of Android's normal Log…
14.13% of apps
1.17% of installs
JSON.simple is a simple Java toolkit for JSON. You can use JSON.simple to encode or decode JSON tex…
2.17% of apps
1.17% of installs
card.io provides fast, easy credit card scanning in mobile apps
3.26% of apps
0.98% of installs
This module provides support for MIME multipart encoded entities.
2.17% of apps
0.95% of installs
A lifecycle engagement platform that empowers brands to humanize connections with customers, result…
5.43% of apps
0.88% of installs
Powerful (Zoom, Rotation, Multi-Source), customizable (Shape, Limits, Style), optimized (Async, Sam…
2.72% of apps
0.83% of installs
Jaudiotagger is an Audio Tagging library that fully supports Mp3, Mp4 (Mp4 audio, M4a and M4p audio…
0.54% of apps
0.82% of installs
A complete 3D game development suite written purely in Java.
0.54% of apps
0.82% of installs
Small library allowing you to make a smooth indeterminate progress bar.
0.54% of apps
0.82% of installs
A set of custom views used to navigate between the pages of a ViewPager
0.54% of apps
0.82% of installs
A robust, powerful, and very simple ORM android database library with annotation processing.
1.63% of apps
0.54% of installs
Simple is a high performance XML serialization and configuration framework for Java.
4.35% of apps
0.53% of installs
Android-Job is an utility library for Android to run jobs delayed in the background.
1.63% of apps
0.52% of installs
A small, yet full-featured framework that allows building View-based Android applications
1.09% of apps
0.52% of installs
XML Pull Parser is an interface that defines parsing functionlity provided in XMLPULL V1 API
3.26% of apps
0.45% of installs
uCrop is an Android library that allows you to rotate and crop images for further use.
2.72% of apps
0.42% of installs
Universal Image Loader for Android provides a reusable instrument for asynchronous image loading, c…
1.63% of apps
0.37% of installs
Object Relational Mapping Lite (ORM Lite) provides some simple, lightweight functionality for persi…
2.17% of apps
0.34% of installs
RootBeer is a library that uses a series of detection mechanisms to detect if an application is run…
1.63% of apps
0.31% of installs
Written by Google, this library is an easy-to-use and efficient Java client library for accessing G…
1.09% of apps
0.29% of installs
Signpost is the easy and intuitive solution for signing HTTP messages on the Java platform in confo…
1.09% of apps
0.29% of installs
Implementation of ImageView for Android that supports zooming, by various touch gestures.
1.09% of apps
0.29% of installs
DragSortListView (DSLV) is an extension of the Android ListView that enables drag-and-drop reorderi…
0.54% of apps
0.26% of installs
This is a repackaging of HttpClient 4.2.3 for Android, which contains some much-needed bugfixes as …
0.54% of apps
0.26% of installs
Material DateTime Picker tries to offer you the date and time pickers as shown in the Material Desi…
0.54% of apps
0.26% of installs
Material Design ProgressBar with consistent appearance on Android 4.0+.
2.17% of apps
0.16% of installs
A library that allows use of Material designed dialogs down to API 8.
2.17% of apps
0.16% of installs
ActiveAndroid is an active record style ORM (object relational mapper).
1.09% of apps
0.11% of installs
An android library for list section headers that stick to the top.
1.09% of apps
0.11% of installs
AboutLibraries is a library to offer some information of libraries.
0.54% of apps
0.08% of installs
The bullet proof, fast and easy to use adapter library, which minimizes developing time to a fracti…
0.54% of apps
0.08% of installs
A SnapHelper that snaps a RecyclerView to an edge.
0.54% of apps
0.08% of installs
An asynchronous callback-based Http client for Android built on top of Apache's HttpClient librarie…
1.63% of apps
0.08% of installs
Allows Android devices to detect and interact with beacons.
1.09% of apps
0.05% of installs
ImageViewTouch is an android ImageView widget with zoom and pan capabilities.
1.09% of apps
0.05% of installs
Ionic is an open-source SDK for hybrid mobile app development using Web technologies.
1.09% of apps
0.05% of installs
RoboSpice is a modular android library that makes writing asynchronous network requests easy.
1.09% of apps
0.05% of installs
A layout that you can swipe/slide to show another layout.
1.09% of apps
0.05% of installs
ACRA is a library enabling Android apps to automatically post their crash reports to a report serve…
0.54% of apps
0.03% of installs
A lightweight viewpager indicator like in Nexus 5 launcher.
0.54% of apps
0.03% of installs
dom4j is an open-source library for working with XML, XPath and XSLT on the Java platform using the…
0.54% of apps
0.03% of installs
HtmlCleaner is open-source HTML parser written in Java that cleans up ill-formed html, as encounter…
0.54% of apps
0.03% of installs
The ksoap2-android project provides a lightweight and efficient SOAP client library for the Android…
0.54% of apps
0.03% of installs
kXML is a small XML pull parser, specially designed for constrained environments such as Applets, P…
0.54% of apps
0.03% of installs
Matisse is a well-designed local image and video selector for Android.
0.54% of apps
0.03% of installs
The PhoneGap Social Sharing plugin allows you to use the native sharing window of your mobile devic…
0.54% of apps
0.03% of installs
A library which configures dividers for a RecyclerView. It supports EVERY Android layout manager an…
0.54% of apps
0.03% of installs
SlidingMenu is an open-source Android library that allows developers to easily create applications …
0.54% of apps
0.03% of installs