Pigo is a pure Go face detection, pupil/eyes localization and facial landmark points detection library based on the Pixel Intensity Comparison-based Object detection paper.

Moq (pronounced "Mock-you" or just "Mock") is the only mocking library for .NET developed from scratch to take full advantage of .NET Linq expression trees and lambda expressions, which makes it the most productive, type-safe and refactoring-friendly mocking library available.

Moq @ GitHub

PVSnesLib (Programmer Valuable Snes Library) is an open and free library to develop programs for the Nintendo SNES using the C programming language.

The world's simplest facial recognition api for Python and the command line.

Recognize and manipulate faces from Python or from the command line with the world's simplest face recognition library.

FingerprintJS is a source-available, client-side, browser fingerprinting library that queries browser attributes and computes a hashed visitor identifier from them. Unlike cookies and local storage, a fingerprint stays the same in incognito/private mode and even when browser data is purged.

FingerprintJS @ GitHub

React Native Reanimated provides a more comprehensive, low level abstraction for the Animated library API to be built on top of and hence allow for much greater flexibility especially when it comes to gesture based interactions.

React Native Reanimated @ GitHub.

The modular and type safe schema library for validating structural data robot.

Validate unknown data with Valibot, the open source schema library with bundle size, type safety and developer experience in mind.

Valibot @ GitHub

TypeScript-first schema validation with static type inference

Zod is a TypeScript-first schema declaration and validation library. I'm using the term "schema" to broadly refer to any data type, from a simple string to a complex nested object.

Zod @ GitHub.

Solito is the missing piece for using React Native with Next.js to build powerful cross-platform apps.A library dedicated to unifying React Native with Next.js, primarily focused on navigation.

Solito is a replacement for my popular expo-next-react-navigation library. Consider this the next-generation version, with a brand new API and approach.*

Solito @ GitHub.

Ultra Fast, Zero Runtime, Headless UI Components. Empower Your Web with Ultimate Performance and Flexibility

With Kuma UI's headless, zero-runtime UI components, build top-performing websites effortlessly, while enjoying the best developer experience. Say hello to the future of CSS-in-JS

Kuma UI @ GitHub.

primitive and flexible state management for React. Jotai takes an atomic approach to global React state management inspired by Recoil.

Build state by combining atoms and renders are automatically optimized based on atom dependency. This solves the extra re-render issue of React context, eliminates the need for memoization, and provides a similar developer experience to signals while maintaining a declarative programming model.

Jotai @ GitHub

Panda is a universal styling solution for the modern web — build time, type safe, and scalable CSS-in-JS. Build modern websites using build time and type-safe CSS-in-JS.

CSS-in-JS with build time generated styles, RSC compatible, multi-variant support, and best-in-class developer experience.

Panda CSS @ GitHub.

Instant On-demand Atomic CSS Engine.

UnoCSS @ GitHub.

Feature Detection for Modern CSS.

Live, in-browser detection of modern CSS support for selectors, features, and at-rules. Applies support-based classes, exposes a results object, and allows custom tests.

SupportsCSS @ GitHub.

The HTML5 Creation Engine. Create beautiful digital content with the fastest, most flexible 2D WebGL renderer.

This project aims to provide a fast, lightweight 2D library that works across all devices. The PixiJS renderer allows everyone to enjoy the power of hardware acceleration without prior knowledge of WebGL. Also, it's fast. Really fast.

PixiJS @ GitHub.

A fast and correct HTTP implementation for Rust.

VineJS is a form data validation library for Node.js. You may use it to validate the HTTP request body in your backend applications.

VineJS @ GitHub.

:smirk_cat: A snarky 1kb Markdown parser written in JavaScript. Snarkdown is a dead simple 1kb Markdown parser.

It's designed to be as minimal as possible, for constrained use-cases where a full Markdown parser would be inappropriate.

SEAL stands for: S earch E ngine A bstraction L ayer

The SEAL project is a PHP library designed to simplify the process of interacting with different search engines. It provides a straightforward interface that enables users to communicate with various search engines.

SEAL @ GitHub.

a library for building JavaScript web applications.

Melody is a fast and memory efficient library for creating highly dynamic user interfaces.

Melody is a UI library for building JavaScript applications. It helps you to write solid, high performance applications following best practices, while maintaining a clear separation of concerns. The view layer is cleanly delegated to templates which are compiled to highly efficient JavaScript instructions that adaptively render to the DOM.

Melody @ GitHub