Repository Index

Translated:seedling::rocket:A seed project based on Spring Boot & MyBatis, used to quickly build small and medium-sized API and RESTful API projects~

• java
• spring-boot
• api
• seed

[DEPRECATED] A powerful library that manage Fragment for Android

• fragment
• activity-fragment
• swipeback

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.

• java
• static-code-analysis
• command-line-tool
• static-analysis

A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin

A full-featured package manager and viewer for Android

• material-design
• package-manager
• android
• apks

Ultra Pull to Refresh for Android. Support all the views.

TranslatedRecyclerView? ListView or ViewGroup? No, it's Canvas! Ultra performance and free customization interface! Vertical and horizontal, Fast rendering and extremely low memory. An elegant, all-purpose calendar widget for Android with custom UI, iOS-style looks, and custom animations. It supports switching between vertical and horizontal directions, week view, custom week start, and efficient performance, with hot-pluggable UI customization! Drawn with Canvas, it renders fast and uses little memory. You truly could not have imagined that a calendar could be this elegant.

• calendarview
• calendar-component
• calendar-view
• calendar-widget

A collection of samples demonstrating different frameworks and techniques for automated testing

• sample

TranslatedNovel download | Web novel download | Online novels

• content-export
• document-parser
• ebook
• offline-reader

Some Android learning materials, hoping to help you learn Android development.

• android
• awesome
• material-design
• open-source-project

Efficient reliable UDP unicast, UDP multicast, and IPC message transport

• messaging
• java
• c-plus-plus
• ipc

Apache ShenYu is a Java native API Gateway for service proxy, protocol conversion and API governance.

• api-gateway
• http-proxy
• dubbo-proxy
• sofa-proxy

Distributed and fault-tolerant realtime computation: stream processing, continuous computation, distributed RPC, and more

Apache Beam is a unified programming model for Batch and Streaming data processing.

• python
• java
• big-data
• beam

A library for debugging android databases and shared preferences - Make Debugging Great Again

• android-debug-database
• sharedpreferences
• database
• android

Contains latest company wise questions of LeetCode as of July 2026.

• leetcode
• leetcode-companies
• leetcode-company-questions
• leetcode-company-wise-questions

:crown: LeetCode of algorithms with java solution(updating).

• leetcode
• leetcode-solutions
• leetcode-java
• facebook

proguard resource for Android by wechat team

积木报表：免费开源的报表与 BI 工具，可视化报表设计、数据大屏、仪表盘、打印设计、数据填报一站搞定；AI 一句话生成报表和大屏，Chat2BI 智能问数，类 Excel 在线设计，兼容国产信创数据源，是帆软、润乾报表的免费替代。

• report
• ireport
• birt
• highcharts

:sunrise_over_mountains: A React Native module that allows you to use native UI to select media from the device library or directly from the camera.

• react-native
• image-picker
• picker

Android loading animations

• loading-view
• animation
• spinner
• android-loading

TranslatedPython, Java, C++ solution code for 剑指 Offer (Jianzhi Offer, "Sword Points to Offer"), 图解算法数据结构 (Tujie Suanfa Shuju Jiegou, "Illustrated Algorithms and Data Structures"), and Krahets 笔面试精选 88 题 (Krahets Bi Mianshi Jingxuan 88 Ti, "Krahets' 88 Selected Written and Interview Questions")

• algorithms-and-data-structures
• algorithm
• sword-for-offer
• leetcode

A damn simple library for building production-ready RESTful web services.

• dropwizard
• java
• web-framework
• rest

TranslatedInstant messaging (IM) system

• im
• voip