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Android Statistics > Android libraries > General-purpose Java utilities
Last updated: May 20, 2025
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General-purpose Java utilities

General-purpose libraries that extend the functionality of Java are used mainly for development of apps and games.

This overview of Java utility SDKs provides you with the most-used and well-known libraries used in many different apps, including SDKs like Dagger, ReactiveX, Google Guava, Joda and Apache Commons Codec.

It is now possible to purchase a Top 500 list of apps that integrated a specific SDK. For more information click on the specific SDK and click on the "Buy" button.

If you want your library added to our list, suggest it to us.

Libraries

Market share in: Overall, New, Top 500
Sort by: Installs, Apps
JetBrains Annotations logo
JetBrains Annotations
Annotations for JVM-based languages.
30.79% of apps
23.27% of installs
Google Guava logo
Google Guava
The Guava project contains several of Google's core libraries that we rely on in our Java-based pro…
15.64% of apps
19.80% of installs
IntelliJ IDEA logo
IntelliJ IDEA
IntelliJ IDEA is a Java integrated development environment for developing computer software.
29.68% of apps
17.59% of installs
ReactiveX logo
ReactiveX
ReactiveX provides an API for asynchronous programming with observable streams. This API is availab…
15.09% of apps
16.16% of installs
Dagger logo
Dagger
A fast dependency injector for Android and Java
12.32% of apps
15.05% of installs
The Legion of the Bouncy Castle logo
The Legion of the Bouncy Castle
The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms.
3.44% of apps
7.10% of installs
Apache Commons Codec logo
Apache Commons Codec
Apache Commons Codec (TM) software provides implementations of common encoders and decoders such as…
5.03% of apps
6.31% of installs
Joda logo
Joda
The Joda project is a group of Java open-source projects that seeks to improve core Java functional…
4.49% of apps
6.14% of installs
Reactive Streams logo
Reactive Streams
Reactive Streams is an initiative to provide a standard for asynchronous stream processing with non…
9.12% of apps
6.01% of installs
ReLinker logo
ReLinker
A robust native library loader for Android.
3.01% of apps
4.89% of installs
Apache Commons I/O logo
Apache Commons I/O
Commons IO is a library of utilities to assist with developing IO functionality.
5.17% of apps
4.89% of installs
Spongy Castle - Bouncy Castle for Android logo
Spongy Castle - Bouncy Castle for Android
Spongy Castle is the stock Bouncy Castle library with a couple of small changes to make it work on …
1.60% of apps
3.28% of installs
Apache Commons Lang logo
Apache Commons Lang
The standard Java libraries fail to provide enough methods for manipulation of its core classes. Ap…
0.55% of apps
0.71% of installs
juniversalchardet logo
juniversalchardet
juniversalchardet is a Java port of 'universalchardet', that is the encoding detector library of Mo…
0.13% of apps
0.53% of installs
Apache Thrift logo
Apache Thrift
The Apache Thrift software framework, for scalable cross-language services development, combines a …
0.12% of apps
0.51% of installs
JCraft logo
JCraft
Different pure java implementations of opensource libraries, such as zlib or ssh.
0.16% of apps
0.16% of installs
jchardet logo
jchardet
jchardet is a java port of the source from mozilla's automatic charset detection algorithm.
0.02% of apps
0.16% of installs
kObjects Utilities logo
kObjects Utilities
kObjects is a collection of small ('kilobyte') projects. Most of the projects are suitable or desig…
0.57% of apps
0.09% of installs
epublib logo
epublib
Epublib is a java library for reading/writing/manipulating epub files
0.15% of apps
0.01% of installs
Base64 encoder/decoder logo
Base64 encoder/decoder
A Base64 encoder/decoder in Java.
0.03% of apps
0.00% of installs
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