Sites like coolaj86.com

John Van Sickle's site offers static Linux builds of FFmpeg, with FAQ and downloadable source archives

AVA, a GitHub repository hosting a Node.js test runner for running JavaScript unit tests concurrently

Rob Landley's personal site hosting his software projects such as toybox and Aboriginal Linux, plus his blog and essays

Recalbox, an open-source retrogaming console and emulation software that plays classic console, computer and arcade games

React Hook Form is a documentation site for a performant React form library, covering its API, TypeScript types and FAQs

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

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

Grml.org: the project site for Grml, a Debian-based bootable live Linux system with system administration tools, plus its documentation and FAQ

Golangci-lint is a fast linters runner for the Go programming language, with documentation for installation and configuration

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

Packagist, the main public repository of PHP packages installable with the Composer dependency manager, with package search, API and feeds

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

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

A personal homelab site offering free hosted open-source services such as Matrix and IRC bridges, run by an individual hobbyist called pixie

Matrix.org, the home of an open, decentralised network for secure chat and communication, run by the Matrix project

Mock Service Worker, an API mocking library for browser and Node.js JavaScript, with documentation and guides for intercepting network requests

A JavaScript toolkit, gulp.js, for automating build workflows with composable streaming tasks and plugins, documented through its project website

Open source software libraries and blog for computational design and art by Karsten Schmidt, known as thi.ng

Babel, an open-source JavaScript compiler project with documentation, a browser REPL and a team page, converting modern JavaScript to older-compatible code

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

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

PDM, a Python package and dependency manager documentation site covering installation, dependency management, building and publishing projects

Beszel, a lightweight self-hosted server monitoring tool with Docker stats, historical data, alerts, and GPU monitoring

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

WebTorrent: an open-source JavaScript torrent client for browsers and desktop apps, with streaming playback and WebRTC peer connections

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

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

Meeting C++ news site and blog on the C++ programming language, covering its conferences, training, books, jobs and community

The GNOME project's website, presenting its free and independent desktop computing platform and its community, in English and several other languages

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

pqxx.org is a personal software project site by Jeroen Vermeulen hosting libpqxx, a C++ PostgreSQL client library, plus other open-source tools

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

MapStruct is a Java code generator project for simplifying bean-to-bean mappings, documented on its official project website

Modern Web: guides, documentation and open-source tools for building websites on web standards, with browser-native code and minimal tooling

CocoaPods.org is a search and browse index for iOS, macOS and Swift library packages, with pages on the CocoaPods dependency manager

NativeScript, an open-source framework for building native iOS and Android apps with TypeScript, plus a showcase of community apps

codewithshin, a developer's portfolio by Shin listing open-source Svelte libraries, Homebrew taps, web apps and terminal tools

Kavita, a self-hosted digital library server for EPUB, PDF, comic and manga reading with built-in readers

Comunica, a knowledge graph querying framework for SPARQL and GraphQL over decentralized RDF data on the Web

libjpeg-turbo is an open source JPEG image codec project using SIMD instructions to speed up JPEG compression and decompression