Blacky Wolf

hotkey. Trigger an action on an element with a keyboard shortcut.

web-extension-starter. 🖥🔋Web Extension starter to build "Write Once Run on Any Browser" extension

iceberg-js. A small, framework-agnostic JavaScript/TypeScript client for the Apache Iceberg REST Catalog.

tsdiagram. Create diagrams and plan your code with TypeScript.

better-auth. The most comprehensive authentication framework

tiny11builder. Scripts to build a trimmed-down Windows 11 image.

redot-engine. Redot Engine – Multi-platform 2D and 3D game engine

modern-tar. 🗄 Zero dependency streaming tar parser and writer for every JavaScript runtime.

vue-echarts. Vue.js component for Apache ECharts™.

jeasx. The power of server side rendering with the ease of JSX.

qjs. QJS is a CGO-Free, modern, secure JavaScript runtime for Go applications, built on the powerful QuickJS engine and Wazero WebAssembly runtime

Fyrox. 3D and 2D game engine written in Rust

serialize-javascript. Serialize JavaScript to a superset of JSON that includes regular expressions and functions.

bevy. A refreshingly simple data-driven game engine built in Rust

cargo-binutils. Cargo subcommands to invoke the LLVM tools shipped with the Rust toolchain

nanostores. A tiny (340 bytes) state manager for React/RN/Preact/Vue/Svelte with many atomic tree-shakable stores

on-change. Watch an object or array for changes

tmf. TypeScript Modeling Framework - A TypeScript port of the Eclipse Modeling Framework (EMF) for Node/Angular/React environments,

hybrids. Extraordinary JavaScript UI framework with unique declarative and functional architecture

immer. Create the next immutable state by mutating the current one

svelteplot. Svelte-native plotting framework based on the grammar of graphics

Obs.js. Context-aware web performance for everyone

image-js. Image processing and manipulation in JavaScript

cornerstone3D. Cornerstone is a set of JavaScript libraries that can be used to build web-based medical imaging applications. It provides a framework to build radiology applications such as the OHIF Viewer.

documentdb. MongoDB-compatible database engine for cloud-native and open-source workloads. Built for scalability, performance, and developer productivity.

iconv-lite. Convert character encodings in pure javascript.

webview_deno. 🌐 Deno bindings for webview, a tiny library for creating web-based desktop GUIs

turndown. 🛏 An HTML to Markdown converter written in JavaScript

dependency-cruiser. Validate and visualize dependencies. Your rules. JavaScript, TypeScript, CoffeeScript. ES6, CommonJS, AMD.

oso. Deprecated: See README

carbon-components-svelte. Svelte implementation of the Carbon Design System

ical.js. Javascript parser for ics (rfc5545) and vcard (rfc6350) data

spectral.js. Spectral.js is a paint like color mixing library utilizing the Kubelka-Munk theory.

milkdown. 🍼 Plugin driven WYSIWYG markdown editor framework.

hako. An embeddable, lightweight, secure, high-performance JavaScript engine.

logtape. Unobtrusive logging library with zero dependencies for Deno, Node.js, Bun, browsers, and edge functions

altcha. GDPR, WCAG 2.2 AA, and EAA compliant, self-hosted CAPTCHA alternative with PoW mechanism.

welsonjs. WelsonJS - Build a Windows app on the Windows built-in JavaScript engine

svelte-headlessui. Unofficial Svelte port of the Headless UI component library

spec. The canonical spec for ulid

ip-num. A TypeScript/JavaScript library for working with ASN, IPv4, and IPv6 numbers. It provides representations of these internet protocol numbers with the ability to perform various IP related operations like parsing, validating etc. on them

Graphite. Community-built comprehensive 2D content creation appplication for graphic design, digital art, and interactive real-time motion graphics powered by a node-based procedural graphics engine

odoo. Odoo. Open Source Apps To Grow Your Business.

dev. Development repository for the CodeMirror editor project

highlight.js. JavaScript syntax highlighter with language auto-detection and zero dependencies.

mRemoteNG. mRemoteNG is the next generation of mRemote, open source, tabbed, multi-protocol, remote connections manager.

GSAP. GSAP (GreenSock Animation Platform), a JavaScript animation library for the modern web

cap. Free, open-source and self-hosted CAPTCHA alternative to reCAPTCHA. Privacy-first and powered by proof-of-work and instrumentation challenges.

xyflow. React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https://svelteflow.dev). Ready out-of-the-box and infinitely customizable.

citus. Distributed PostgreSQL as an extension

UUIDNext. A fast and modern .NET library to generate UUID/GUID that are either sequential and database friendly (versions 7), name based (versions 5) or random (version 4).

azure-keyvault-emulator. An emulator for Azure Key Vault. Compatible with the Azure Client SDK, runnable with Docker or Aspire.

phpdesktop. Develop desktop GUI applications using PHP, HTML5, JavaScript and SQLite

fresh-tailwindcss-v4. TypeScript

rockpack. Zero-config React with built-in SSR, automated quality gates, and AI-ready project structure - ship clean code whether you write it yourself or with an AI assistant.

crosspost. A JavaScript utility for posting across multiple social networks at once

cli. 🚀 Fast, reliable and easy-to-use js-to-exe compiler.

snapdom. High-performance engine for capturing, modifying, and converting DOM elements into any format.

defuddle. Get the main content of any page as Markdown.

garnet. Garnet is a remote cache-store from Microsoft Research that offers strong performance (throughput and latency), scalability, storage, recovery, cluster sharding, key migration, and replication features. Garnet can work with existing Redis clients.

photino.NET. C#

fresh-plugin-tailwindcss. An unofficial Tailwind CSS v4 plugin to use in Fresh.

basecoat. A components library built with Tailwind CSS that works with any web stack.

lazy.nvim. 💤 A modern plugin manager for Neovim

slate. A completely customizable framework for building rich text editors. (Currently in beta.)

floem. A native Rust UI library with fine-grained reactivity

fx. Terminal JSON viewer & processor

openid-client. OAuth 2 / OpenID Connect Client API for JavaScript Runtimes

mono-jsx. `<html>` as a `Response`.

react-sounds. Play sounds in React. Comes with hundreds of built-in effects, or use your own audio files.

hyparquet. parquet file parser for javascript

mantine. A fully featured React components library

HelloCSV. https://hellocsv.github.io/HelloCSV/

k6. A modern load testing tool, using Go and JavaScript

psd. Fast zero-dependency PSD parser for the web and Node.js

emoji-mart. 🏪 One component to pick them all

fuzzysort. Fast SublimeText-like fuzzy search for JavaScript.

dflex. The sophisticated Drag and Drop library you've been waiting for 🥳

glide-data-grid. 🚀 Glide Data Grid is a no compromise, outrageously fast react data grid with rich rendering, first class accessibility, and full TypeScript support.

picojs. A face detection library in 200 lines of JavaScript

PptxGenJS. Build PowerPoint presentations with JavaScript. Works with Node, React, web browsers, and more.

jj. A Git-compatible VCS that is both simple and powerful

jsoncrack.com. ✨ Innovative and open-source visualization application that transforms various data formats, such as JSON, YAML, XML and CSV into interactive graphs.

dragmove.js. A super tiny Javascript library to make DOM elements draggable and movable. ~500 bytes (minified+gzipped) and no dependencies.

firecamp. Developer-first OpenSource API DevTool, Postman/Insomnia alternative.

react-oidc-context. Lightweight auth library based on oidc-client-ts for React single page applications (SPA). Support for hooks and higher-order components (HOC).

oidc-client-ts. OpenID Connect (OIDC) and OAuth2 protocol support for browser-based JavaScript applications

boxer. Dockerfile → Universal Wasm Distribution

MediatR. Simple, unambitious mediator implementation in .NET

primjs. JavaScript Engine Optimized for Lynx

node-oidc-provider. OpenID Certified™ OAuth 2.0 Authorization Server implementation for Node.js

bare. Small and modular JavaScript runtime for desktop and mobile

vendure. Open-source headless commerce platform built with TypeScript, NestJS, React, and GraphQL

reveal.js. The HTML Presentation Framework

flexsearch. Next-generation full-text search library for Browser and Node.js

timefind. Search through a website's history.

aframe. :a: Web framework for building virtual reality experiences.

up-fetch. Advanced fetch client builder

alphaTab. alphaTab is a cross platform music notation and guitar tablature rendering library.

Fuse. Lightweight fuzzy-search, in JavaScript

excellentexport. Javascript export to Excel

emittery. Simple and modern async event emitter

postal-mime. Email parser for browser and serverless environments

yjs. Shared data types for building collaborative software

liqe. Lightweight and performant Lucene-like parser, serializer and search engine.

passlock. Passkey authentication for Astro, Sveltekit and other frameworks

ProtoScript. A protobuf runtime and code generation tool for JavaScript and TypeScript

nvm-windows. A node.js version management utility for Windows. Ironically written in Go.

htmlparser2. The fast & forgiving HTML and XML parser

svelte-lexical. Rich text editor for Svelte based on lexical

svelte-headlessui. HeadlessUI components for Svelte

jerryscript. Ultra-lightweight JavaScript engine for the Internet of Things.

ce. Jspreadsheet is a lightweight JavaScript data grid component for creating interactive data grids with advanced spreadsheet controls.

termo. Termo is a simple terminal emulator for the browser. It is a wrapper on top of xterm

boa. Boa is an embeddable Javascript engine written in Rust.

commander.js. node.js command-line interfaces made easy

pdfkit. A JavaScript PDF generation library for Node and the browser

vue-chartjs. 📊 Vue.js wrapper for Chart.js

pagemap. Mini map for web pages.

ava. Node.js test runner that lets you develop with confidence 🚀

postgres. Postgres.js - The Fastest full featured PostgreSQL client for Node.js, Deno, Bun and CloudFlare

chord-symbol. The definitive chord symbol parser and renderer for Javascript/NodeJS.

color-thief. Grab the color palette from an image using just Javascript. Works in the browser and in Node.

fast-grid. World's most performant DOM-based web table. Try it! fast-grid.vercel.app/

zustand. 🐻 Bear necessities for state management in React

match-sorter. Simple, expected, and deterministic best-match sorting of an array in JavaScript

nanoevents. Simple and tiny (107 bytes) event emitter library for JavaScript

sysend. Web application synchronization between different tabs

autoNumeric. AutoNumeric is a standalone library that provides live as-you-type formatting for international numbers and currencies.

Gitnuro. A FOSS Git multiplatform client for newbies and pros

nsfwjs. NSFW detection on the client-side via TensorFlow.js

docx. Easily generate and modify .docx files with JS/TS with a nice declarative API. Works for Node and on the Browser.

tidb. TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

foundationdb. FoundationDB - the open source, distributed, transactional key-value store

dolt. Dolt – Git for Data

scala-js. Scala.js, the Scala to JavaScript compiler

uPlot. 📈 A small, fast chart for time series, lines, areas, ohlc & bars

social. 🎉 Social can be used for work, or to connect to the fediverse!

photos. 📸 Your memories under your control

server. ☁️ Nextcloud server, a safe home for all your data

mithril.js. A JavaScript Framework for Building Brilliant Applications

spreed. 🗨️ Nextcloud Talk – chat, video & audio calls for Nextcloud

tmux. tmux source code

saas-starter. Get started quickly with Next.js, Postgres, Stripe, and shadcn/ui.

is-website-vulnerable. finds publicly known security vulnerabilities in a website's frontend JavaScript libraries

jsPDF. Client-side JavaScript PDF generation for everyone.

ketting. The HATEOAS client for javascript

size-limit. Calculate the real cost to run your JS app or lib to keep good performance. Show error in pull request if the cost exceeds the limit.

postgres. PostgreSQL driver for Deno

RunJS. RunJS is a JavaScript playground for macOS, Windows and Linux. Write code with instant feedback and access to Node.js and browser APIs.

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

ClickHouse. ClickHouse® is a real-time analytics database management system

typist. The mighty Tiptap-based rich-text editor that powers Doist products.

node-qrcode. qr code generator

Sortable. Reorderable drag-and-drop lists for modern browsers and touch devices. No jQuery or framework required.

databend. Data Agent Ready Warehouse : One for Analytics, Search, AI, Python Sandbox. — rebuilt from scratch. Unified architecture on your S3.

deno-argon2. Fastest Argon2 implementation for Deno, leveraging Rust and Deno FFI.

depends. Tool for generating dependency trees for .NET projects

coolify. An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stack applications and 280+ one-click services on your own servers.

dokku. A docker-powered PaaS that helps you build and manage the lifecycle of applications

plane. 🔥🔥🔥 Open-source Jira, Linear, Monday, and ClickUp alternative. Plane is a modern project management platform to manage tasks, sprints, docs, and triage.

nocodb. 🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative

js-joda. :clock2: Immutable date and time library for javascript

css-doodle. A web component for visual art and creative coding

perspective. A data visualization and analytics component, especially well-suited for large and/or streaming datasets.

openseadragon. An open-source, web-based viewer for zoomable images, implemented in pure JavaScript.

Mailu. Insular email distribution - mail server as Docker images

dotnet-opa-wasm. Call Open Policy Agent (OPA) policies in WASM (Web Assembly) from .NET Core

convex-backend. The open-source reactive database for app developers

volta. Volta: JS Toolchains as Code. ⚡

lowdb. Simple and fast JSON database

nedb. The JavaScript Database, for Node.js, nw.js, electron and the browser

sequelize. Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB, DB2 and DB2 for IBM i.

orange-orm. The ultimate ORM for Node and Typescript

YouTube.js. A JavaScript client for YouTube's internal API, known as InnerTube.

calendar-link. 📅 Calendar link generator for popular services

emoji-picker-element. A lightweight emoji picker for the modern web

bridgetown. A next-generation progressive site generator & fullstack framework, powered by Ruby

chroma.js. JavaScript library for all kinds of color manipulations

sql.js. A javascript library to run SQLite on the web.

litegraph.js. A graph node engine and editor written in Javascript similar to PD or UDK Blueprints, comes with its own editor in HTML5 Canvas2D. The engine can run client side or server side using Node. It allows to export graphs as JSONs to be included in applications independently.

uppy. The next open source file uploader for web browsers :dog:

mikro-orm. TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, MariaDB, MS SQL Server, PostgreSQL and SQLite/libSQL databases.

public-ip. Get your public IP address - very fast!

bbolt. An embedded key/value database for Go.

CryptoNet. CryptoNet is simple, fast and a lightweight asymmetric and symmetric encryption library.

third-party-web. Data on third party entities and their impact on the web.

iconoir. An open source icons library with 1600+ icons, supporting React, React Native, Flutter, Vue, Figma, and Framer.

maska. Simple zero-dependency input mask for Vue, Svelte, Alpine.js and vanilla JS.

poku. 🐷 Poku makes testing easy for Node.js, Bun, Deno, and you at the same time.

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

justgage. JustGage is a handy JavaScript plugin for generating and animating nice & clean dashboard gauges. It is based on Raphaël library for vector drawing.

sliderland. A (very) minimalist creative coding playground. Make animations using only 64 HTML sliders!

squirrelly. Semi-embedded JS template engine that supports helpers, filters, partials, and template inheritance. 4KB minzipped, written in TypeScript ⛺

flitter. A JavaScript rendering engine inspired by Flutter. Build any visualization — charts, diagrams, editors — with composable widgets and Canvas/SVG.

fabric.js. Javascript Canvas Library, SVG-to-Canvas (& canvas-to-SVG) Parser

Termino.js. Create a web based terminal on any website - great for games, animations and real world apps!

tinybase. A reactive data store & sync engine.

es-toolkit. A modern JavaScript utility library that's 2-3 times faster and up to 97% smaller—a major upgrade to lodash.

file-type. Detect the file type of a file, stream, or data