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Starred repositories

287 stars written in Java
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An easy, flexible way to add a shimmering effect to any view in an Android app.

Java 5,362 705 Updated Mar 23, 2023

Keep your code spotless

Java 5,157 493 Updated Nov 10, 2025

Cracking the Coding Interview, 5th Edition

Java 5,145 2,296 Updated Jun 26, 2023

Brings the popular ruby faker gem to Java

Java 4,915 867 Updated Jun 12, 2024

RStudio is an integrated development environment (IDE) for R

Java 4,897 1,144 Updated Nov 11, 2025

MockServer enables easy mocking of any system you integrate with via HTTP or HTTPS with clients written in Java, JavaScript and Ruby. MockServer also includes a proxy that introspects all proxied t…

Java 4,819 1,098 Updated Sep 19, 2025

[DEPRECATED] Easily integrate Camera features into your Android app

Java 4,717 1,024 Updated Feb 8, 2020

Java Solutions to problems on LintCode/LeetCode

Java 4,358 26 Updated Nov 27, 2024

An open source GitHub Android client app, faster and concise.

Java 4,321 417 Updated May 30, 2024

Jitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, IRC and many other useful features.

Java 4,277 981 Updated Jul 12, 2025

Open Location Code is a library to generate short codes, called "plus codes", that can be used as digital addresses where street addresses don't exist.

Java 4,270 519 Updated Jun 20, 2025

Zotero plugin to manage your attachments: automatically rename, move, and attach PDFs (or other files) to Zotero items, sync PDFs from your Zotero library to your (mobile) PDF reader (e.g. an iPad,…

Java 4,264 293 Updated Apr 16, 2024

PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.

Java 4,191 583 Updated Jan 3, 2024

PDFsam, a desktop application to split, merge, mix, rotate PDF files and extract pages

Java 4,082 381 Updated Nov 10, 2025

OpenPDF is an open-source Java library for creating, editing, rendering, and encrypting PDF documents, as well as generating PDFs from HTML. It is licensed under the LGPL and MPL.

Java 4,077 675 Updated Oct 27, 2025

Wrapper of syncthing for Android.

Java 4,020 493 Updated Dec 3, 2024

Bolts is a collection of low-level libraries designed to make developing mobile apps easier.

Java 4,008 522 Updated Mar 11, 2019

Downloads albums from the web in bulk for archive purposes

Java 3,990 653 Updated Oct 3, 2025

Solutions to LeetCode problems; updated daily. Subscribe to my YouTube channel for more.

Java 3,966 1,300 Updated Oct 13, 2025

《大厂面试指北》——包括Java基础、JVM、数据库、mysql、redis、计算机网络、算法、数据结构、操作系统、设计模式、系统设计、框架原理。

Java 3,965 684 Updated Aug 7, 2023

Do Leetcode exercises in IDE, support leetcode.com and leetcode-cn.com, to meet the basic needs of doing exercises.Support theoretically: IntelliJ IDEA PhpStorm WebStorm PyCharm RubyMine AppCode CL…

Java 3,917 416 Updated Oct 31, 2025

Bundletool is a command-line tool to manipulate Android App Bundles

Java 3,882 408 Updated Sep 24, 2025

[Unmaintained] Open source two-factor authentication for Android

Java 3,743 374 Updated Jun 14, 2022

Distributed Peer-to-Peer Web Search Engine and Intranet Search Appliance

Java 3,736 462 Updated Nov 11, 2025

Application for Mind Mapping, Knowledge Management, Project Management. Develop, organize and communicate your ideas and knowledge in the most effective way.

Java 3,642 447 Updated Nov 11, 2025

Hackpad is a web-based realtime wiki.

Java 3,588 523 Updated May 22, 2023

Add-ons for openHAB 1.x

Java 3,411 1,667 Updated Jan 18, 2021

Leetcode solutions

Java 3,307 826 Updated Dec 19, 2024

Heritrix is the Internet Archive's open-source, extensible, web-scale, archival-quality web crawler project.

Java 3,087 774 Updated Nov 3, 2025

Mirror of Apache PDFBox

Java 2,944 923 Updated Nov 11, 2025