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Demonstrate all the questions on LeetCode in the form of animation.（用动画的形式呈现解LeetCode题目的思路）

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ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

Vert.x is a tool-kit for building reactive applications on the JVM

mini-spring是简化版的spring框架，能帮助你快速熟悉spring源码和掌握spring的核心原理。抽取了spring的核心逻辑，代码极度简化，保留spring的核心功能，如IoC和AOP、资源加载器、事件监听器、类型转换、容器扩展点、bean生命周期和作用域、应用上下文等核心功能。

JanusGraph: an open-source, distributed graph database

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…

Project Malmo is a platform for Artificial Intelligence experimentation and research built on top of Minecraft. We aim to inspire a new generation of research into challenging new problems presente…

Apache BookKeeper - a scalable, fault tolerant and low latency storage service optimized for append-only workloads

A GeekTime course about constructing a compiler.

使用 JDK8 实现 JVM(Java Virtual Machine)

Eclipse RDF4J: scalable RDF for Java

A compiler that converts C language to Java bytecode or can directly interpret execution（将C源码编译成Java字节码的编译器，也可以选择直接解释执行）