Sites like graphile.org

A personal site by Benjie, a community-funded open-source developer, with a GraphQL RFC tracker and booking pages for calls

node-postgres is a collection of Node.js modules for connecting to and querying PostgreSQL databases, with API documentation and guides

The Dhall programmable configuration language, its typed functions, imports and tooling, documented on its official project website

Mongoose, an object modeling library for MongoDB in JavaScript, with documentation, changelog, news and plugin listings

Fastify, a Node.js web framework project with documentation, community resources, benchmarks and a plugin ecosystem

An open-source React and Next.js onboarding library for building interactive product tours, with documentation, FAQ and demo

fastlane is an open source tool for automating mobile app development, screenshots, beta distribution and store publishing

React-Uploady is a lightweight React library and documentation site for building browser file-upload features

Jeroen Engels' blog on Elm programming, mainly writing about elm-review, a static code analysis tool

Syncthing, an open-source continuous file synchronisation tool, with project donation and foundation information pages

ESLint project website: documentation, playground and team pages for ESLint, the pluggable open-source JavaScript linter

Blitz.js, a fullstack toolkit and conventions framework for building Next.js applications, with documentation and showcase pages

Documentation and project site for Passport.js, an authentication middleware library for Node.js applications

Drizzle Team's open-source TypeScript libraries: Drizzle ORM, Drizzle Kit, Drizzle Seed, Drizzle GraphQL, and CLI tools

Magit, a text-based Git interface inside Emacs, with project news, documentation and blog posts by its maintainer

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

Apollo Elements, a documentation site and library for building GraphQL frontends with web components and Apollo Client

WXT, an open source framework and set of packages for building browser web extensions with TypeScript, auto-imports and automated publishing

Node.js, an open-source cross-platform JavaScript runtime for building servers, web apps, command line tools and scripts

Research & Development, a contemporary print artist Cat Gaylord's dev diary of code-generated prints, drawing machines and handmade projects

A guide to starting a wireless internet service provider (WISP), from feasibility studies to building the network, with a community Discord

typescript-eslint is a documentation site for the ESLint plugin and parser that lint TypeScript code, with its rules and playground

Tauri 2.0, an open-source framework for building small, cross-platform desktop and mobile applications with web frontends and Rust backends

A documentation site for Changesets, an open-source tool for managing package versioning and changelogs in monorepos and CI

Helix, a modal text editor written in Rust with multiple selections, tree-sitter and LSP support

MikroORM documentation for its TypeScript object-relational mapper and its database driver and tooling packages

Mockoon, a free open-source desktop app and CLI for designing and running mock APIs locally, plus the Mockoon Pro team service

Personal portfolio of Cenk Kılıç, MSc., a Vienna-based software platform engineer covering work experience and teaching

A JavaScript library documentation site for Sinon.JS, offering stubs, spies, fakes and mocks for unit tests

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

Eve, an open source Python REST API framework for building and deploying web APIs, documented by its developers

SeaQL is an independent open source organisation building developer tools for Rust, including the SeaORM database library

JSON Schema is a declarative language and documentation site for annotating and validating the structure and data types of JSON documents

TanStack, an open-source collection of headless web application libraries and tools, with a design system, blog and chat app

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

A turn-based post-apocalyptic survival roguelike game called Cataclysm: Dark Days Ahead, with its downloads, releases, packaging and donations pages