RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.
- java
- rxjava
- flow
- reactive-streams
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GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀
- java
- aot
- compiler
- graalvm
ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
- parsing
- parser-generator
- antlr
- antlr4
High Performance Inter-Thread Messaging Library
- disruptor
- java
- concurrency
A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)
- java-decompiler
- apk
- java
- procyon
A configuration as code language with rich validation and tooling.
- pkl
- java
- kotlin
- config
jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.
The modern Java bytecode editor
- java
- bytecode
- bytecode-engineering
- reverse-engineering
Java 1-25 Parser and Abstract Syntax Tree for Java with advanced analysis functionalities.
- javaparser
- parser
- java
- javadoc
Picocli is a modern framework for building powerful, user-friendly, GraalVM-enabled command line apps with ease. It supports colors, autocompletion, subcommands, and more. In 1 source file so apps can include as source & avoid adding a dependency. Written in Java, usable from Groovy, Kotlin, Scala, etc.
- java
- commandline
- parser
- ansi-colors
A blazingly fast multi-language serialization framework for idiomatic domain objects, schema IDL, and cross-language data exchange.
- cross-language
- fast
- jit
- multiple-language
Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with the Extensions for OpenJDK for OpenJ9 repo.
- java
- jvm
- eclipse-openj9
- compiler
Log analyser / visualiser for Java HotSpot JIT compiler. Inspect inlining decisions, hot methods, bytecode, and assembly. View results in the JavaFX user interface.
- jitwatch
- java
- javafx
- hotspot-jit-compiler
Manifold is a Java compiler plugin, its features include Metaprogramming, Properties, Extension Methods, Operator Overloading, Templates, a Preprocessor, and more.
- java
- intellij
- json
- template-engine
CommonMark/Markdown Java parser with source level AST. CommonMark 0.28, emulation of: pegdown, kramdown, markdown.pl, MultiMarkdown. With HTML to MD, MD to PDF, MD to DOCX conversion modules.
- commonmark
- pegdown
- java
- markdown-parser
Enhancing Java Stream API
- java
- java8
- collections
- streams-api
Spoon is a metaprogramming library to analyze and transform Java source code. :spoon: is made with :heart:, :beers: and :sparkles:. It parses source files to build a well-designed AST with powerful analysis and transformation API.
- code-analysis
- code-transformation
- metaprogramming
- code-generation
Open-source framework for native apps from one Java codebase, with a custom-rendered UI you control across iOS, Android, desktop, web, and watches.
- cross-platform
- java
- kotlin
- android
Mixin is a trait/mixin and bytecode weaving framework for Java using ASM
- java
- mixins
- gradle
- mixin-framework
A pure-Java Markdown processor based on a parboiled PEG parser supporting a number of extensions
Ahead of time compiler for JVM bytecode targetting iOS, Mac OSX and Linux
- ios
- java
- jvm
- robovm
Esper Complex Event Processing, Streaming SQL and Event Series Analysis
- cep
- complex-event-processing
- open-source
- compiler
JPF is an extensible software analysis framework for Java bytecode. jpf-core is the basis for all JPF projects; you always need to install it. It contains the basic VM and model checking infrastructure, and can be used to check for concurrency defects like deadlocks, and unhandled exceptions like NullPointerExceptions and AssertionErrors.
Elegance, high performance and robustness all in one java bean mapper
- annotations
- xml
- java
- jmapper