《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 代码。简体版和繁体版同步更新，English version in translation

#1 Locally hosted web application that allows you to perform various operations on PDF files

All Algorithms implemented in Java

Google core libraries for Java

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Telegram for Android source

Orchestrate everything - from scripts to data, infra, AI, and business - as code, with UI and AI Copilot. Simple. Fast. Scalable.

Open-source IoT Platform - Device management, data collection, processing and visualization.

Learn Low Level Design (LLD) and prepare for interviews using free resources.

AutoMQ is a diskless Kafka® on S3. 10x Cost-Effective. No Cross-AZ Traffic Cost. Autoscale in seconds. Single-digit ms latency. Multi-AZ Availability.

YAS: Yet Another Shop, a sample microservices project in Java

NewPipe's core library for extracting data from streaming sites

FTC Android Studio Workspace for robot programming in Android Studio

Novel-Grabber can download novels from pretty much any webnovel and lightnovel site.

☕️ HuLa Server, a high-performance instant messaging service built on Spring AI, SpringCloud Alibaba, SpringBoot3, Netty, MyBatis-Plus and RocketMQ(HuLa 服务端，基于Spring AI、SpringCloud Alibaba、SpringBo…

Full featured, mature MUD supporting MSP, MXP, GMCP, OLC, a web server, mail server, and MORE!

Easy-to-use Windows Batch File to executable file converter/wrapper with Swing GUI.