Marc Rousavy

📸 A powerful, high-performance React Native Camera library.

VisionCamera is a React Native camera library for iOS and Android that supports 4K/8K capture, 240 FPS video, barcode scanning, HDR, and real-time per-frame AI processing via JavaScript Frame Processors.

⚡️ The fastest key/value storage for React Native. ~30x faster than AsyncStorage!

A React Native storage library that is about 30x faster than AsyncStorage by calling native C++ code directly through JSI, with support for encryption, multiple instances, and React hooks for automatic re-renders.

🖼️ A library to show colorful blurry placeholders while your content loads.

🔥 Insanely fast native C++, Swift or Kotlin modules with a statically compiled binding layer to JSI

🧬 High-performance TensorFlow Lite library for React Native with GPU acceleration

🧵 Fast and easy multithreading for React Native using JSI

🎨 An app to detect color palettes in the real world - powered by VisionCamera

🖼️ A superfast in-memory Image type and view component for React Native, built with Nitro!

🖼️ A writeable in-memory Image JSI Host Object

🕵️ A React Native Library for interacting with the tracking API from iOS 14.

📲 Communicate with nearby devices using Bluetooth, BLE, WiFi and near-ultrasonic audio. Broadcast and receive small payloads (like strings) using the easy-to-use React Native API!

An app that blurs faces in realtime using VisionCamera, Skia and MLKit 😷

:vhs: A high performance .NET library for reading and creating animated GIFs

VisionCamera Frame Processor Plugin to label images using MLKit Vision

A simple CLI tool to clean all React Native caches in your project.

A contacts library for React Native using JSI

A React Native library for accessing an ArrayBuffer of a Blob instance.

Super fast one-shot QR/Barcode/Data scanning for React Native

A VisionCamera Frame Processor plugin for fast buffer resizing and colorspace (YUV <> RGBA) conversions

Template for React Native JSI Libraries à la Marc

📱 A React Native library to get the Device's Screen's corner radius

Fully typed hooks and utility functions for the React Native StyleSheet API

Benchmarks TurboModules vs ExpoModules vs NitroModules

:camera: A quick and easy Image, Screenshot and Screen recording sharing tool

:abc: A small C# (.NET) Library which allows binding of global HotKeys to any Application's Windows (including Windows Apps such as explorer.exe), even in Background. (using P/Invokes)

Demo of VisionCamera + TFLite + Skia without any native code

A <PressableScale> and a supercharged <NativePressableScale> components for React Native

🔴 A notification badge count manager for React Native

Benchmark App to compare different storage libraries (MMKV, AsyncStorage, WatermelonDB, RealmDB, SQLite)

A <PressableOpacity> and a supercharged <NativePressableOpacity> components for React Native

⚡️ A fast TCP event based buffered server/client protocol for transferring data over the (inter)net in .NET 🌐

A Discord Bot for playing YouTube music.

📜 A lightweight code editor for editing, compiling and running code snippets/scripts supporting multiple languages and rich GUI

📷 An easy to use, lightning fast and modern screenshot and screen-recording tool powered by C++ and Qt

🧠 A fast and clean supervised neural network in C++, capable of effectively using multiple cores

:bread: The rounded and animated Android Toast for .NET WPF/XAML

🐟 An incredibly lightweight and type safe MVVM library for .NET WPF, Silverlight, Xamarin and UWP

A GIMP plugin to display Discord Rich Presence made with C

:alarm_clock: A Wrapper of the WebUntis JSON API for .NET

🎮 An application for finding games to play you and your friends have on Steam

A GitHub repository that builds Hermes for iOS and Android as GitHub releases

No description.

🔠 A small and lightweight cross platform C++ library implementing a system-wide hotkey system for Qt

🏦 A minimal state management library for React.

A small C# Library for Monitoring Clipboard with P/Invokes (e.g.: Clipboard Content Changed event)

An iOS 11 Control Center inspired Slider for React Native

A Tinder-like swipe view to keep or remove pictures from a photoshoot with extra comparison features

High-performance React Native Graphics using Skia

A script that effectively cleans your Mac

✨ it's lit ✨

Demo for using VisionCamera + zooming

react-native native module for audio recorder and player with nitromodule!

📝 Simple, yet effective, logging with Metadata CallerInfo for creating beautiful Log files in C#/VB .NET

A new Theme (Android Material Design) for Windows Message Boxes (by hooking)

🔐 BmpPwd is a .NET Class Library for overloadable en/decrypting strings or binary data to a System.Drawing.Image

A framework for building native apps with React.

React Native's Animated library reimplemented

My personal minimalistic dotfiles (.vimrc, .zshrc, .oh-my.zsh, custom scripts, ..)

Shared-Registry allows you to share objects between instances without introducing memory leaks.

Test simulating Redux behavior with MMKV and AsyncStorage

React Native package that exposes the Safe Area Insets as constants

A <Video /> component for react-native

A 2D Endless Unity Game; Fly up high and beat highscores with your customizable and upgradeable Rocket!

👷‍♂️ Simple set of CLIs to scaffold and build React Native libraries for different targets

🛠 A fast .NET Standard Class Library for parsing results from an SQL query to .NET objects to eliminate risky column-index hardcoding

UIMenu Component for React Native

CameraRoll is a react-native native module that provides access to the local camera roll or photo library.

Vision Camera Frame Processor Plugin to detect faces using MLKit Face Detector

Text input mask for React Native, Android and iOS

Create skeleton screens that automatically adapt to your app!

React Native Blur component

A flexible way to handle safe area insets in JS. Also works on Android and Web!

🌈‒ the Ethereum wallet that lives in your pocket

🚩 FastImage, performant React Native image component.

💱 JavaScript library simplifying decentralized web3 exchange routing for multiple blockchains and exchanges.

Easily convert .svg files to .png files

Get most starred repo's that have a specific dependency!

WalletConnect Monorepo

🤖 Cirilla - The swiss army knife discord bot supporting many commands and systems

Big Heads avatars for React Native

A discord bot for pixelating and jpegifying images

:notebook: An App to watch your timetable and get notified of changes.

A bug for a Swift compiler bug

Official Sentry SDK for react-native

A demo for using Swift types from another Swift Module in our Swift Module's C++ interop layer

React Native implementation of WebGPU using Dawn

Asynchronous image downloader with cache support as a UIImageView category

An efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, and POSIX.

🆎 A fork of React Native's <Text/> component that supports Animated Values!

Filament is a real-time physically based rendering engine for Android, iOS, Windows, Linux, macOS, and WebGL2

Periscope-Like flowing hearts animation.

A quick Pastebin-uploader shell script using curl and the Pastebin REST API

No description.

Mobile web browser providing access to websites that use the Ethereum blockchain

An app to put your screen-recording into a phone mockup and export it to a video file built on ffmpeg.wasm

🚇 The JavaScript bundler for React Native

Harness brings Jest-style tests to real native environments so you can test TurboModules like you would test your React Native app: with JavaScript.

The `npx serve` of Apple Simulators.

A fast base64 module for React Native

Native navigation primitives for your React Native app.

A starter template with react-native and nim to demonstrate connecting a nim backend with react-native.

Hermes is a small and lightweight JavaScript engine optimized for running React Native on Android.

A library designed to simplify the usage of the Java Native Interface

PlayTorch is a framework for rapidly creating mobile AI experiences.

BitPay App (formerly Copay) is a secure Bitcoin and other crypto currencies wallet platform for IOS/Android.

Native boilerplate for Vision Camera plugins

Easy to maintain open source documentation websites.

React-Native Haptic Feedback for iOS with Android similar behaviour.

A very compact representation of a placeholder for an image.

📖 A pop-up tray application to instantly translate something from your clipboard using Google Translate

No description.

Show macOS's chip tempratures and fan speeds on menu bar.

Isomorphic Key-Value Storage

CLI for discord bots

👺 A daemon to move any Window from within it's body (child area) while holding a modifier key (Windows/Alt)

Snippets, Examples or Test code for Quantum Computers written in the Microsoft Quantum Computer Programming Language Q#

Roboter für Modellbaumesse 2016 (TGM 3DHIT)

The library for web and native user interfaces.

The site and docs for React Native

Level up your React Native StyleSheet

The Swift Programming Language

No description.

Development environment for Android Jetpack extension libraries under the androidx namespace. Synchronized with Android Jetpack's primary development branch on AOSP.

Nightly integration tests for React Native

An open-source C++ library developed and used at Facebook.

An open-source platform for making universal native apps with React. Expo runs on Android, iOS, and the web.

A small Swift package that positions buttons around the iPhone's notch or Dynamic Island. It provides a simple view component that automatically detects your device's top cutout and places buttons on either side of it, handling all the spacing and alignment details for you.

A Swift client for Supabase

The Bluesky Social application for Web, iOS, and Android

A searchable and filterable directory of React Native libraries.

Guesser for Pokecord using Discord API and reverse image lookup

No description.

A collection of JSON schema files including full API

No description.

Welcome to New Expensify: a complete re-imagination of financial collaboration, centered around chat. Help us build the next generation of Expensify by sharing feedback and contributing to the code.

A plugin for TypeDoc that enables TypeScript API documentation to be generated in Markdown.

Some images I upload to reference on other sites of GitHub (e.g. sponsors, etc)

No description.

An open source iOS framework for GPU-based image and video processing

🖌️ Renders highlighted Prism output to React (+ theming & vendored Prism)

GitHub Action for clang-format checking with custom style file

Margelo Banners

Library for Android Camera 1 and 2 APIs. Massively increase stability and reliability of photo and video capture on all Android devices.

React Native component exposing Slider from iOS and SeekBar from Android

🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte Query and Vue Query.

A rich PieChart control for WPF which supports easy MVVM bindings and data access

[WIP] :game_die: A simple Kernel Extension Installer/Remover especially for Clover Injected kexts

React Native Notifications

Recoil is an experimental state management library for React apps. It provides several capabilities that are difficult to achieve with React alone, while being compatible with the newest features of React.

Complete Ethereum library and wallet implementation in JavaScript.

Home of the documentation and other miscellanea

Your repo reached a stars milestone? Celebrate with a video of your stargazers!

React Native command line tools

Run Ktlint with reviewdog

This is sample iOS project for explain how we can use Metal Performance Shaders for Apply Style Transfer effect to realtime camera stream

Vim's quickfix errorformat implementation in Go

Declarative API exposing platform native touch and gesture system to React Native.

Style your readme using CSS with this simple trick

The repository for high quality TypeScript type definitions.

Catalyst Coding Contest 2018

Catalyst Coding Contest 2019

React Native wrapper around the Google Nearby Messages API SDK

🐟 An incredibly lightweight and type safe MVVM library for Swift Cocoa Touch

Example of Travis CI Gradle

A text or date poll application including statistics and notifications with a WPF MVVM Windows and CLI cross-platform frontend

Linux Pics

Sem8: Distributed Computing DezSys-GK8.3 "Komponentenbasierte Programmierung" (BORM)

A MySQL and Postgres SQL JavaFX interface

🎅 My Advent of Code 2017 solutions mostly done in Python 🐍

A (design only) competent Material Design Calculator for Windows/macOS/Linux written in Qt/C++

🎮 A better snake with more features including multiplayer and turbo - written in SFML/OpenGL

:1234: A Qt Quick front end for the digit recognition implemented in BrabeNetz neural network

[WIP] Fancy sockets for servers and clients for swift

TGM 2017: Controller and Server for PRIA Hedgehog Demo

Swift framework for zipping and unzipping files.

Linux kernel source tree