Java Library

Open-source Java projects categorized as Library | Edit details

Top 23 Java Library Projects

  • GitHub repo BottomBar

    (Deprecated) A custom view component that mimics the new Material Design Bottom Navigation pattern.

  • GitHub repo FoldingCell

    :octocat: 📃 FoldingCell is a material design expanding content cell inspired by folding paper material made by @Ramotion

  • Scout APM

    Less time debugging, more time building. Scout APM allows you to find and fix performance issues with no hassle. Now with error monitoring and external services monitoring, Scout is a developer's best friend when it comes to application development.

  • GitHub repo bitcoinj

    A library for working with Bitcoin

    Project mention: Where to find expert blockchain developers/researchers? | | 2022-01-05
  • GitHub repo Apache Shiro

    Apache Shiro

    Project mention: Apache Shiro | | 2021-08-19
  • GitHub repo androidx

    Development environment for Android Jetpack extension libraries under the androidx namespace. Synchronized with Android Jetpack's primary development branch on AOSP.

    Project mention: LiveData is superior to StateFlow for UI and ViewModel layer. | | 2021-10-08

    This is the implementation of CoroutineLiveData:

  • GitHub repo Apache Log4j 2

    Apache Log4j 2 is an upgrade to Log4j that provides significant improvements over its predecessor, Log4j 1.x, and provides many of the improvements available in Logback while fixing some inherent problems in Logback's architecture.

    Project mention: Log4J | | 2022-01-12

    Latest version with fixes is 2.17.1 according to their site.

  • GitHub repo Slidr

    Easily add slide to dismiss functionality to an Activity

  • SonarQube

    Static code analysis for 29 languages.. Your projects are multi-language. So is SonarQube analysis. Find Bugs, Vulnerabilities, Security Hotspots, and Code Smells so you can release quality code every time. Get started analyzing your projects today for free.

  • GitHub repo QR-Code-generator

    High-quality QR Code generator library in Java, TypeScript/JavaScript, Python, Rust, C++, C.

    Project mention: Where did we go wrong? | | 2021-12-31

    Yes you are absolutely right. Ignore these negative people. Curiosity is a good thing. It is now extremely important that you understand how qr codes work. Here is a good source to start -> qr code impl

  • GitHub repo Bt

    BitTorrent library and client with DHT, magnet links, encryption and more

    Project mention: Java Projects Ideas | | 2021-08-09
  • GitHub repo Apache Mahout

    Mirror of Apache Mahout

  • GitHub repo CircleMenu for Android

    :octocat: ⭕️ CircleMenu is a simple, elegant UI menu with a circular layout and material design animations. Android UI library made by @Ramotion

  • GitHub repo Hyperion-Android

    App Debugging & Inspection Tool for Android

    Project mention: Looking for Android alternative to an iOS Jailbreak Tweak | | 2021-03-04

    Hello, I recently found this tweak but it only works on jailbroken iPhones. It basically lets you use Apple's "FLEX" debugger in any application, meaning you can use it in applications that you haven't made yourself. This basically lets you "inspect element" on any app you want. I found a similar debugging tool for Android ( but I was wondering if there was any way to tweak this tool and use it on apps you don't own? Thanks.

  • GitHub repo easydeviceinfo

    :iphone: [Android Library] Get device information in a super easy way.

  • GitHub repo Apache PDFBox

    Mirror of Apache PDFBox

    Project mention: Generate PDF Documents in your Spring Boot App with AsciidoctorJ | | 2022-01-17


  • GitHub repo Bubble Navigation

    🎉 [Android Library] A light-weight library to easily make beautiful Navigation Bar with ton of 🎨 customization option.

    Project mention: Create Bubble Navigation Bar In Android Using Java | | 2022-01-02

    If you find this library usefull i request you to visit its creators github page here and give a star there.

  • GitHub repo Apache POI

    Mirror of Apache POI

  • GitHub repo Siddhi

    Stream Processing and Complex Event Processing Engine

  • GitHub repo CountryCodePickerProject

    Country Code Picker (CCP) is an android library which provides an easy way to search and select country or international phone code. Also supports Android EditText phone mask and international phone validation.

    Project mention: Looking for a library or cell phone verification tool | | 2021-06-29

    Well, I found this 2 gitHub posts, ,

  • GitHub repo itext7

    iText 7 for Java represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enhance PDF documents, iText 7 can be a boon to nearly every workflow.

    Project mention: FOSS pdf editor for PC? | | 2021-12-21

    iText 7

  • GitHub repo material-about-library

    Makes it easy to create beautiful about screens for your apps

  • GitHub repo Apache OpenNLP

    Mirror of Apache OpenNLP

  • GitHub repo TextFieldBoxes

    Material Design text field that comes in a box, based on (OLD) Google Material Design guidelines.

  • GitHub repo react-native-geolocation

    Geolocation APIs for React Native

    Project mention: Are there any good tutorials on making a GPS app? | | 2021-12-15
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2022-01-17.

Java Library related posts


What are some of the best open-source Library projects in Java? This list will help you:

Project Stars
1 BottomBar 8,459
2 FoldingCell 4,860
3 bitcoinj 4,199
4 Apache Shiro 3,707
5 androidx 3,404
6 Apache Log4j 2 2,637
7 Slidr 2,628
8 QR-Code-generator 2,416
9 Bt 2,017
10 Apache Mahout 1,966
11 CircleMenu for Android 1,812
12 Hyperion-Android 1,784
13 easydeviceinfo 1,700
14 Apache PDFBox 1,569
15 Bubble Navigation 1,546
16 Apache POI 1,326
17 Siddhi 1,297
18 CountryCodePickerProject 1,261
19 itext7 1,136
20 material-about-library 1,117
21 Apache OpenNLP 1,082
22 TextFieldBoxes 765
23 react-native-geolocation 758
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