Riccardo Scalco

dagre. Directed graph layout for JavaScript

wasm-bindgen. Facilitating high-level interactions between Wasm modules and JavaScript

cortex. Code graph tool for AI assistants - understand codebase structure, dependencies, and impact

HandBrake. HandBrake's development repository

console_error_panic_hook. A panic hook for wasm32-unknown-unknown that logs panics with console.error

nannou. A Creative Coding Framework for Rust.

nextest. A next-generation test runner for Rust.

fuzzysort. Fast SublimeText-like fuzzy search for JavaScript.

Fuse. Lightweight fuzzy-search, in JavaScript

spearman-rank-corr. Spearman's rank correlation coefficient in Typescript

gitingest. Replace 'hub' with 'ingest' in any GitHub URL to get a prompt-friendly extract of a codebase

writly. A React component for rich text editing

notebook-kit. A command-line tool for building static sites from Observable Notebooks

models.dev. An open-source database of AI models.

tarjan. A Matlab iterative version of Tarjan's algorithm to find strongly connected components in a directed graph (linear time). The input is an adjacency matrix, where non-zero cells indicate a synaptic connection in the neural network represented.

cargo-llvm-cov. Cargo subcommand to easily use LLVM source-based code coverage (-C instrument-coverage).

wasm-pack. 📦✨ your favorite rust -> wasm workflow tool!

yt-dlp. A feature-rich command-line audio/video downloader

framesh. A collection of robust Local Reference Frame (LRF) algorithms for 3D mesh patches

vscode-pets. Adds playful pets 🦀🐱🐶 in your VS Code window

CubeTrek. Home for all your GPS Tracks: Visualize, share and manage your GPS tracks.

giscus. A commenting system powered by GitHub Discussions. :octocat: :speech_balloon: :gem:

killedbyllm. HTML

PolyDye. Full Color Printer Mod for Marlin 3D Printers

mixbox. Mixbox is a library for natural color mixing based on real pigments.

lazygit. simple terminal UI for git commands

NextTrade. (Predecessor to NexusTrade) A no-code algorithmic trading system

embla-carousel. A lightweight carousel library with fluid motion and great swipe precision.

csvkit. A suite of utilities for converting to and working with CSV, the king of tabular file formats.

use-shader-fx. ⚡️ More fx, Less GLSL

watercolor-effect. JavaScript

google-photos-backup. Backup photos from Google Photos using Playwright.

scientific-visualization-book. An open access book on scientific visualization using python and matplotlib

zed. Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

magic-wormhole. get things from one computer to another, safely

rrweb. record and replay the web

usehooks. A collection of modern, server-safe React hooks – from the ui.dev team

vaul. A drawer component for React.

twenty. The open alternative to Salesforce, designed for AI.

lucide. Beautiful & consistent icon toolkit made by the community. Open-source project and a fork of Feather Icons.

ui. A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open Source. Open Code.

uploadthing. File uploads for modern web devs

Vane. Vane is an AI-powered answering engine.

pavex. A backend framework for Rust professionals

logicola. LogiCola helps you learn logic. This is a web version of the original software built by the late Professor Harry Gensler.

date-fns. ⏳ Modern JavaScript date utility library ⌛️

trpc. 🧙‍♀️ Move Fast and Break Nothing. End-to-end typesafe APIs made easy.

onepunch. :boom: Command-line interface to create presentations using web technology.

bun. Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one

node-cron. Cron for NodeJS.

appwrite. Appwrite® - complete cloud infrastructure for your web, mobile and AI apps. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime and more

cursor.

nhost. The Open Source Firebase Alternative with GraphQL.

bruno. Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

Paper-Piano. Piano like no other, Piano on Paper

ScreenTimeLapse. Take color-accurate timelapses of your screens and cameras on MacOS

italiapersonalfinance. A neobrutalist Astro wiki for Italia Personal Finance Reddit community

atuin. ✨ Making your shell magical

GALA3D. [ICML 2024] GALA3D: Towards Text-to-3D Complex Scene Generation via Layout-guided Generative Gaussian Splatting

NeuralFlow. Visualize the intermediate output of Mistral 7B

gpt4all. GPT4All: Run Local LLMs on Any Device. Open-source and available for commercial use.

ollama. Get up and running with Kimi-K2.6, GLM-5.2, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.

swiper. Most modern mobile touch slider with hardware accelerated transitions

slick. the last carousel you'll ever need

remix-ecommerce. ABANDONED

unpic-img. Multi-framework responsive image component

twind. The smallest, fastest, most feature complete Tailwind-in-JS solution in existence.

potrace-cli. Potrace CLI

imagetracerjs. Simple raster image tracer and vectorizer written in JavaScript.

hydrogen. Hydrogen lets you build faster headless storefronts in less time, on Shopify.

an-array-of-english-words. List of ~275,000 English words

zod. TypeScript-first schema validation with static type inference

web-stable-diffusion. Bringing stable diffusion models to web browsers. Everything runs inside the browser with no server support.

web-llm. High-performance In-browser LLM Inference Engine

webgpufundamentals. HTML

logic-paint-rs. A transistor-level logic simulator inspired by the Intel 4004 and Zachtronic's KOHCTPYKTOP, build with Rust + WASM

AnimatedDrawings. Code to accompany "A Method for Animating Children's Drawings of the Human Figure"

zrender. A lightweight graphic library providing 2d draw for Apache ECharts

contrast-ratio. A tool to calculate the contrast ratio between any two valid CSS colors.

galaxy_sim. This project is a simulation of thousands of particles that reproduce gravity to simulate galaxies. It uses ThreeJS for 3D rendering and shaders to calculate the movement of particles in real-time.

deepscatter. Zoomable, animated scatterplots in the browser that scales over a billion points

CCAe. The Colour Contrast Analyser (CCA) helps you determine the legibility of text and the contrast of visual elements, such as graphical controls and visual indicators.

css.land. Hands on CSS demos

saleor. Saleor Core: the high performance, composable, headless commerce API.

associazionerabbithole.github.io. Jekyll Website

carbon-charts. :bar_chart: :chart_with_upwards_trend:⠀Robust dataviz framework implemented using D3 & typescript

piling.js. A general framework and library for exploring thousands of small multiples

higlass. Fast, flexible and extensible genome browser.

umap. Uniform Manifold Approximation and Projection

react-hydration-provider. react-hydration-provider makes it easy to control what your app renders before and after app hydration.

colors. A gorgeous, accessible color system.

react-syntax-highlighter. syntax highlighting component for react with prismjs or highlightjs ast using inline styles

starry-night. Syntax highlighting, like GitHub

lowlight. Virtual syntax highlighting for virtual DOMs and non-HTML things

dom-to-image-more. Generates an image from a DOM node using HTML5 canvas

Anicons. Anicons: a new kind of icon fonts with baked-in animation and colors

wink-nlp. Developer friendly Natural Language Processing ✨

connected-react-router. A Redux binding for React Router v4

stellarium. Stellarium is a free GPL software which renders realistic skies in real time with OpenGL. It is available for Linux/Unix, Windows, macOS and Haiku. With Stellarium, you really see what you can see with your eyes, binoculars or a small telescope.

fast-kde. Fast, approximate Gaussian kernel density estimation.

d3-hierarchy. 2D layout algorithms for visualizing hierarchical data.

regl-scatterplot. Scalable WebGL-based scatter plot library build with Regl

d3fc. A collection of components that make it easy to build interactive charts with D3

regl-scatterplot-winglets. Modified version of regl-scatterplot with winglets

search-by-image. Browser extension for reverse image search, available for Chrome, Edge and Safari

react-live. A flexible playground for live editing React components

poetry. Python packaging and dependency management made easy

remix. Build Better Websites. Create modern, resilient user experiences with web fundamentals.

geneve_1564. LaTeX facsimile of a Bible de Genève, 1564

jupyterlab. JupyterLab computational environment.

d3-celestial. A star map with d3.js

bundlephobia. 🏋️ Find out the cost of adding a new frontend dependency to your project

xstate. State machines, statecharts, and actors for complex logic

astro. The web framework for content-driven websites. ⭐️ Star to support our work!

re-reselect. Enhance Reselect selectors with deeper memoization and cache management.

vanilla-extract. Zero-runtime Stylesheets-in-TypeScript

serve. Static file serving and directory listing

use-gesture. 👇Bread n butter utility for component-tied mouse/touch gestures in React and Vanilla Javascript.

redux-devtools. DevTools for Redux with hot reloading, action replay, and customizable UI

d3-plugins. [DEPRECATED] A repository for sharing D3.js V3 plugins.

svelte-toast. Simple elegant toast notifications

ldrs. Modern, minimalist loaders & spinners. Made with CSS, HTML and SVG. https://uiball.com/ldrs

htl. A tagged template literal that allows safe interpolation of values into HTML, following the HTML5 spec

Scroll-Reverser. Per-device scrolling prefs on macOS.

async-pool. Run multiple promise-returning & async functions with limited concurrency using native ES6/ES7

idb-keyval. A super-simple-small promise-based keyval store implemented with IndexedDB

localForage. 💾 Offline storage, improved. Wraps IndexedDB, WebSQL, or localStorage using a simple but powerful API.

arquero. Query processing and transformation of array-backed data tables.

parquet2arrow. A fast and simple command-line (CLI) tool to convert a Parquet file to an Apache Arrow file

parquet-wasm. Rust-based WebAssembly bindings to read and write Apache Parquet data

d3-random. Generate random numbers from various distributions.

runtime. The reactive dataflow runtime that powers Observable Notebooks

nebula.gl. A suite of 3D-enabled data editing overlays, suitable for deck.gl

lifehash.info. A web-based demo of the LifeHash visual hash algorithm, written in C++ and compiled to WebAssembly.

modern-fetch-with-svelte. JavaScript

sswr. 🔥 Svelte stale while revalidate (SWR) data fetching strategy

vite-plugin-svelte. Svelte plugin for https://vite.dev

NoWarDDoS. Python

actix-web. Actix Web is a powerful, pragmatic, and extremely fast web framework for Rust.

martin. Blazing fast and lightweight PostGIS, MBtiles and PMtiles tile server, tile generation, and mbtiles tooling.

vectorize-text. Turns a text string into a 2D poly line

ndarray-gemm. General matrix multiplication for ndarrays

g9. Automatically Interactive Graphics 🖼✨💯

martini. A JavaScript library for real-time RTIN terrain mesh generation

attitude. Attitude: orientation of an object in space.

svelte-dnd-action. An action based drag and drop container for Svelte

duckdb-wasm. WebAssembly version of DuckDB

dplyr. dplyr: A grammar of data manipulation

stdlib. ✨ The fundamental numerical library for JavaScript and TypeScript. ✨

tidy. Tidy up your data with JavaScript, inspired by dplyr and the tidyverse

observable-jupyter. Embed visualizations and code from Observable notebooks in Jupyter

jupyter-playground. Random collection of Jupyter notebooks

spektral. Graph Neural Networks with Keras and Tensorflow 2.

falcon. Brushing and linking for big data

fish-shell. The user-friendly command line shell.

svgexport. SVG to PNG/JPEG command-line tool and Node.js module

d3-sankey. Visualize flow between nodes in a directed acyclic network.

million. Optimizing compiler for React

shiki. A beautiful yet powerful syntax highlighter

stork. 🔎 Impossibly fast web search, made for static sites.

parquetjs. fully asynchronous, pure JavaScript implementation of the Parquet file format

volta. Volta: JS Toolchains as Code. ⚡

dequal. A tiny (304B to 489B) utility to check for deep equality

d3-dsv. A parser and formatter for delimiter-separated values, such as CSV and TSV.

glTF-Transform. glTF 2.0 SDK for JavaScript and TypeScript, on Web and Node.js.

optimesh. :spider_web: Mesh optimization, mesh smoothing.

marktext. 📝A simple and elegant markdown editor, available for Linux, macOS and Windows.

next-transpile-modules. Next.js plugin to transpile code from node_modules.

next-compose-plugins. 💡next-compose-plugins provides a cleaner API for enabling and configuring plugins for next.js

turborepo. Build system optimized for JavaScript and TypeScript, written in Rust

nextra. Simple, powerful and flexible site generation framework with everything you love from Next.js.

weird. Generative art in Common Lisp

peerjs. Simple peer-to-peer with WebRTC.

react-big-calendar. gcal/outlook like calendar component

dayjs. ⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API

nextjs-auth0. Next.js SDK for signing in with Auth0

Dual-Contouring-javascript-implementation. JavaScript

react. An implementation of GitHub's Primer Design System using React

title. A service for capitalizing your title properly

lerna. Lerna is a fast, modern build system for managing and publishing multiple JavaScript/TypeScript packages from the same repository.

flask. The Python micro framework for building web applications.

swc. Rust-based platform for the Web

bestofjs. :star: A place to find the best components to build amazing web applications. The best of JavaScript!

graffle. Simple GraphQL Client for JavaScript. Minimal. Extensible. Type Safe. Runs everywhere.

swr. React Hooks for Data Fetching

nexus. Code-First, Type-Safe, GraphQL Schema Construction

stitches-site. stitches.dev

design-system. Design system that was used by @modulz. It’s now archived and superceded by Radix Themes. (See https://github.com/radix-ui/themes)

react-spectrum. A collection of libraries and tools that help you build adaptive, accessible, and robust user experiences.

spectrum-web-components. Spectrum Web Components

spectrum-css. The standard CSS implementation of the Spectrum design language.

echarts. Apache ECharts is a powerful, interactive charting and data visualization library for browser

tauri. Build smaller, faster, and more secure desktop and mobile applications with a web frontend.

javascript-risingstars. :stars: An overview of the JavaScript landscape in 2025: trends about frontend, Node.js, fullstack frameworks, build tools, testing, Vue.js, React, state management...

eslint-plugin-valtio. An eslint plugin for better valtio experience

studio. 🎙️ The easiest way to explore and manipulate your data in all of your Prisma projects.

valtio. 🧙 Valtio makes proxy-state simple for React and Vanilla

zustand. 🐻 Bear necessities for state management in React

graphql-helix. A highly evolved GraphQL HTTP Server 🧬

primitives. Radix Primitives is an open-source UI component library for building high-quality, accessible design systems and web apps. Maintained by @workos.