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.
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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
Android Library to make it easy to create an Code editor or IDE that support any languages and themes, with auto complete, auto indenting, snippets and more features
- codeview
- android-codeview
- codeeditor
- autocompletetextview
Graph Databases support for JetBrains family IDEs.
Externalized Properties is powerful configuration library which supports resolution of properties from external sources such as files, databases, git repositories, and any custom sources
- configuration
- feature-flags
- feature-toggles
- java
Error Prone extensions: extra bug checkers and a large battery of Refaster rules.
- java
- static-analysis
- abstract-syntax-tree
- ast
A JMeter plugin supports load test gRPC
- jmeter-plugin
- benchmark
- load-testing
- grpc
Ultra-lightweight Java DI framework with JSR-330 support, fast classpath scanning, and zero boilerplate. Minimal alternative to Spring/Guice.
- dependency-injection
- dependency-management
- di-framework
- ioc-container
Immuto - Java Records-first object mapper.An annotation processor generates type-safe mapper implementations at compile time; the generated code calls each target record's canonical constructor directly - zero runtime reflection, sealed class support, full Java 21+ idioms.
- annotation-processor
- bean-mapper
- canonical-constructor
- code-generation