Repository Index

Java JsonPath implementation

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

google maps for block game

• minecraft
• forgegradle
• pathfinding
• gradle

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

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

Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

• java
• docker
• docker-compose
• junit

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

A util for setting status bar style on Android App.

• statusbarutil
• android
• statusbar
• utils

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

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

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

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

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

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

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

Pentaho Data Integration ( ETL ) a.k.a Kettle

📌 a missing Java std lib(simple & 0-dependency) for framework/middleware, provide an enhanced InheritableThreadLocal that transmits values between threads even using thread pooling components.

• java
• threadlocal
• threadsafe
• transmittable

Distributed scheduled job

• scheduled-jobs
• cron
• job
• job-management

A rewrite of Tachiyomi for the Desktop

• tachiyomi
• manga-reader
• mangareader
• tachidesk

An Android library that makes developers use SQLite database extremely easy.

• litepal
• android
• sqlite3

Android library (AAR). Highly configurable, easily extendable deep zoom view for displaying huge images without loss of detail. Perfect for photo galleries, maps, building plans etc.

• android-library
• android-lib
• android-libs
• zoom-images

Digital logic design tool and simulator

• logisim-evolution
• education
• circuit
• circuits

Annotation-triggered method call logging for your debug builds.

OWASP dependency-check is a software composition analysis utility that detects publicly disclosed vulnerabilities in application dependencies.

• security-audit
• build-tool
• maven-plugin
• jenkins-plugin

An annotation processor for generating type-safe bean mappers

• mapstruct
• java
• annotation-processor
• mapping