Sites like mapstruct.org

springdoc-openapi documentation for generating OpenAPI 3 specs and Swagger UI in Spring Boot applications

A Swiss software company's site offering Java logging framework support, consulting and open-source project pages, run by QOS.CH Sarl in Vouvry

JUnit, a open-source testing framework for Java and the JVM, with documentation, release notes and project information

SDKMAN!, a command-line tool for installing and switching between multiple software development kits on Unix systems, with a catalogue of JDK distributions

Project Nayuki, a personal site of programming projects, algorithm explanations and software tutorials by Nayuki Minase

VueUse is a documentation site for a collection of Vue 3 Composition API utility functions and add-ons

OmniFaces is a utility library and component collection for JavaServer Faces (Jakarta Faces) web applications, with documentation and downloads

JHipster, an open source platform for generating full stack Java applications with Spring Boot and Angular or React

Shields.io is a service that generates concise, consistent badges for GitHub readmes and other web pages

Yarn, a JavaScript package manager; its documentation and API reference for the @yarnpkg packages

Waydroid, a free open-source project that runs a full Android system in a container on Wayland-based GNU/Linux desktops

A catalog of open source JSON, YAML and TOML schemas used by editors and tools for validation and completion

Vite, a frontend build tool and development server for modern web projects, documented by its core team

NuGet is the central package repository and package manager for .NET, with package search, download statistics and client tools

async-std project site documenting the Rust async standard library, with API docs, project status and contribution guidance

Asciidoctor, an open source Ruby text processor and toolchain converting AsciiDoc to HTML5, DocBook, PDF, and EPUB, with documentation and news

JReleaser is a release automation tool for publishing project artifacts and checksums across many languages and package managers

Portfolio of Pierre Roy, a French full-stack and AI developer, with blog posts on Kotlin, Kore and Minecraft datapacks

PlantUML, an open-source tool that draws UML diagrams from simple text descriptions, with a Q&A forum and German edition

NGXS is a state management library and documentation site for Angular applications, covering its pattern, plugins and versioned guides

A Java library documentation site for Instancio, a tool that generates random, fully populated test data objects

jsDelivr is a free open source CDN service delivering JavaScript, ESM modules and other files from npm and GitHub

NgRx documentation and guides on reactive state management for Angular applications, covering the Global Store and SignalStore

Selenium, an open-source browser automation tool for web application testing, documented on its official project website

The official website of Vue.js, the open-source JavaScript framework for building web user interfaces, with its API reference and documentation

WebdriverIO API reference documentation for the WebdriverIO browser and mobile test automation framework's commands and protocol bindings

Bartosz Konieczny's blog on data engineering, Databricks, Apache Spark, Kafka, SQL and Java topics

A French-language project: Docusaurus, an open-source static site generator for building documentation websites with MDX and React

OpenRPC, an open standard and toolkit for describing, testing, and documenting JSON-RPC APIs using a versioned spec document

Commonhaus Foundation, a non-profit hosting and sustaining open source Java libraries and frameworks, with its council votes and bylaws published

Homebrew, a package manager for installing software on macOS, Linux and WSL from the command line

A JavaScript testing framework named Jest, documented on its official site, with French and English pages and community help

Raycast, a macOS launcher app with productivity tools, extensions and AI chat, with legal and FAQ pages

A documentation site for pre-commit, a framework for managing and running git pre-commit hook scripts before code review

Personal site of Python developer Marcelo Trylesinski covering FastAPI, Starlette and Uvicorn maintenance, talks, videos and CVE coordination

The official website of the D Programming Language, covering its documentation, downloads, compiler releases, and community resources

A free Go programming tutorial series with code examples and articles by Naveen Ramanathan, a software engineer

MockK, a mocking library for Kotlin unit and Android tests, with documentation on usage and troubleshooting

GORM, a developer-friendly ORM library for Go, with guides, CLI and code-generation tools for database access

Vite, a frontend build tool and documentation site for modern web application development, with team and event pages