Sindre Sorhus

parse-sse. Parse Server-Sent Events (SSE) from a Response

byte-counter. Count bytes passing through a stream

unlimited-timeout. setTimeout and setInterval that work with delays longer than 24.8 days

SimpleColorPaletteSwift. A Swift implementation of the Simple Color Palette format

is-filesystem-case-sensitive. Detect whether the filesystem backing a path is case-sensitive

fetch-extras. Useful utilities for working with Fetch

DSStore. Parse and write macOS .DS_Store files from Swift

iter-streams. A proposal for a new streams API

reveal-file. Reveal a file in the system file manager (Finder, Explorer, etc.)

url-extras. Browser-compatible implementations of some of Node.js' URL utilities

chunk-data. Split buffers and streams into smaller chunks

css-extras. Useful CSS custom functions using the new @​function rule

rust-package. A Rust implementation of the Simple Color Palette format — a minimal JSON-based file format for defining color palettes

component-type. Type assertions aka less-broken `typeof`

component-emitter. Simple event emitter

non-error. An error subclass for wrapping non-error values

unicorn-magic. Some useful utilities I often need

tagged-tag. Unique tag for use in the type-fest Tagged type

ts-extras. Essential utilities for TypeScript projects

Copy-URL. Adds copy functionality to browser picker apps

clipboard-image. Get and set images on the macOS clipboard

is-wayland. Check if the current Linux session is using Wayland

wsl-utils. Utilities for working with Windows Subsystem for Linux (WSL)

multicast-stream. Create a multicast stream that lets multiple consumers independently read the same data

gpt-oss. gpt-oss-120b and gpt-oss-20b are two open-weight language models by OpenAI

codex. Lightweight coding agent that runs in your terminal

to-rotated. Rotate an array by a given number of steps

appcast-workflow. Reusable workflow to generate Sparkle appcast.xml for my apps

is-low-power-mode. Check if the system is in low power mode

is-directory-empty. Check if a directory is empty

yocto-spinner. Tiny terminal spinner

gumroad. See what sticks

uint8array-extras. Useful utilities for working with Uint8Array (and Buffer)

nano-spawn. Tiny process execution for humans — a better child_process

debounce. Delay function calls until a set time elapses after the last invocation

repo-url-from-package. Extracts the repo URL from a package.json object

environment. Check which JavaScript environment your code is running in at runtime: browser, Node.js, Bun, etc

sketch-icon-preview. Sketch plugin to preview macOS app icons in the Dock using the Icon Preview app

identifier-regex. Regular expression for matching JavaScript identifiers

reserved-identifiers. Provides a list of reserved identifiers for JavaScript

base62. Encode & decode strings, bytes, and integers to Base62

regex. JS regexes ➕ future. A template tag for readable, high-performance, native JS regexes with extended syntax, context-aware interpolation, and always-on best practices.

is-identifier. Check if a string is a valid JavaScript identifier

to-valid-identifier. Convert a string to a valid JavaScript identifier

p-mutex. Async mutex lock for managing access to a shared resource

remark-custom-header-id. Remark plugin for adding a custom ID attribute to Markdown headers

is64bit. Check if the operating system CPU architecture is 64-bit or 32-bit (Supports browsers)

domify. html -> elements

merge-descriptors. Merge objects using their property descriptors

ExtendedAttributes. Manage extended attributes in Swift

array-equal. Check if two arrays are equal

image-dimensions. Get the dimensions of an image

decircular. Remove circular references from objects

find-up-simple. Find a file or directory by walking up parent directories — Zero dependencies

index-to-position. Convert a string index to its line and column position

dom-mutations. Observe changes to the DOM using an async iterable — A nicer API for MutationObserver

request-animation-frames. Use requestAnimationFrame as an async iterable, in any JavaScript environment

get-east-asian-width. Determine the East Asian Width of a Unicode character

stdin-discarder. Discard stdin input except for Ctrl+C

abort-utils. Utility functions to use and combine `AbortSignal` and `AbortController` with Promises

change-file-extension. Change the file extension of a path

simplify-ranges. Merge and normalize adjacent or overlapping integer ranges

Pow. Delightful SwiftUI effects for your app

temporary-path. Get a random temporary path

fnv1a. FNV-1a non-cryptographic hash function

XCLint. Xcode project linting

is-in-ci. Check if the process is running in a Continuous Integration (CI) environment

merge-streams. Merge multiple streams into a unified stream

hash-object. Get the hash of an object

Awesome-GPTs. Curated list of awesome GPTs 👍.

gulp-plugin-extras. Useful utilities for creating Gulp plugins

safe-stringify. Serialize objects to JSON with handling for circular references

super-regex. Make a regular expression time out if it takes too long to execute

system-architecture. Get the operating system CPU architecture

webext-storage. A more usable typed storage API for Web Extensions

Symphonia. Pure Rust multimedia format demuxing, tag reading, and audio decoding library

proposal-arraybuffer-base64. TC39 proposal for Uint8Array<->base64/hex

is-network-error. Check if a value is a Fetch network error

unicode-escapes. Encode and decode Unicode escapes in a string

swift-testing. A modern, expressive testing package for Swift

ObservableConverter. A SwiftPM command plugin to convert SwiftUI code to Observable

awesome-chatgpt. 🤖 Awesome list for ChatGPT — an artificial intelligence chatbot developed by OpenAI

swift-http-types. Version-independent HTTP currency types for Swift

Swift-Macros. A curated list of awesome Swift Macros

similarity-search-kit. 🔎 SimilaritySearchKit is a Swift package providing on-device text embeddings and semantic search functionality for iOS and macOS applications.

awesome-whisper. 🔊 Awesome list for Whisper — an open-source AI-powered speech recognition system developed by OpenAI

ink-ui. 💄 Ink-redible command-line interfaces made easy

function-timeout. Make a synchronous function have a timeout

swift-foundation. The Foundation project

sharegpt. Easily share permanent links to ChatGPT conversations with your friends

ggml. Tensor library for machine learning

is-inside-container. Check if the process is running inside a container (Docker/Podman)

llama.cpp. LLM inference in C/C++

taffy. A high performance rust-powered UI layout library

LaunchAtLogin-Modern. Add “Launch at Login” functionality to your macOS app in seconds

get-own-enumerable-keys. Like Object.keys() but also includes symbols

dockhunt. Discover the apps everyone is docking about. Made by the team at @Basedash.

carbonyl. Chromium running inside your terminal

OpenAI-Whisper-CoreML. OpenAI's Whisper ported to CoreML

decamelize-keys. Convert object keys from camel case

IceCubesApp. A SwiftUI Mastodon client

ml-stable-diffusion. Stable Diffusion with Core ML on Apple Silicon

napi-rs. A framework for building compiled Node.js add-ons in Rust via Node-API

compose-regexp.js. Build and compose maintainable regular expressions in JavaScript.

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

capture-stack-trace. Ponyfill for Error#captureStackTrace

native-diffusion. Native Stable Diffusion inference on iOS / macOS using MPSGraph

is-executable. Check whether a file can be executed

eslint-doc-generator. Automatic documentation generator for ESLint plugins and rules.

libsql. libSQL is a fork of SQLite that is both Open Source, and Open Contributions.

whisper. Robust Speech Recognition via Large-Scale Weak Supervision

swift-diffusion. Swift

Safari-Private. Open the given URL in a private Safari window

InvokeAI. Invoke is a leading creative engine for Stable Diffusion models, empowering professionals, artists, and enthusiasts to generate and create visual media using the latest AI-driven technologies. The solution offers an industry leading WebUI, and serves as the foundation for multiple commercial products.

swiftui-lazycollectionview. A modest attempt to port UICollectionView to SwiftUI.

swift-book. The Swift Programming Language book

stable-diffusion. A latent text-to-image diffusion model

thememirror. 🦚 Beautiful themes for CodeMirror

make-asynchronous. Make a synchronous function asynchronous by running it in a worker

code-tag. noop functions to help formatters and syntax highlighters recognize embedded code

VirtualBuddy. Virtualize macOS 12 and later on Apple Silicon, VirtualBuddy is a virtual machine GUI for macOS M1, M2, M3, M4

sdk-news. Apple Platform SDK API Differences, with Swift support 🚀

RichTextKit. View and edit rich text in SwiftUI.

Actions. ⚙️ Supercharge your shortcuts

switch-branch-cli. Switch git branches by their pull request title

CodeEdit. 📝 CodeEdit App for macOS – Elevate your code editing experience. Open source, free forever.

Runestone. 📝 Performant plain text editor for iOS with syntax highlighting, line numbers, invisible characters and much more.

Neon. A Swift library for efficient, flexible content-based text styling

one-thing. Set the text for the One Thing app

swift-async-algorithms. Async Algorithms for Swift

StandWithUkraine. #StandWithUkraine banner and related documents

posthog. 🦔 PostHog is an all-in-one developer platform for building successful products. We offer product analytics, web analytics, session replay, error tracking, feature flags, experimentation, surveys, data warehouse, a CDP, and an AI product assistant to help debug your code, ship features faster, and keep all your usage and customer data in one stack.

proposal-string-dedent. TC39 Proposal to remove common leading indentation from multiline template strings

easy-transform-stream. Create a transform stream using await instead of callbacks

lightningcss. An extremely fast CSS parser, transformer, bundler, and minifier written in Rust.

proposal-iterator.range. A proposal for ECMAScript to add a built-in Iterator.range()

chalk-template. JavaScript

swift-url. A new URL type for Swift

yoctocolors. The smallest and fastest command-line coloring package on the internet

swift-distributed-actors. Peer-to-peer cluster implementation for Swift Distributed Actors

lba2-classic. Assembly

swift-markdown. A Swift package for parsing, building, editing, and analyzing Markdown documents.

swift-docc. Documentation compiler that produces rich API reference documentation and interactive tutorials for your Swift framework or package.

got-ssrf. Protect untrusted requests from SSRF

swift-experimental-string-processing. An early experimental general-purpose pattern matching engine for Swift.

ImageScript. zero-dependency JavaScript image manipulation

proposal-enum-definitions.

proposal-enum. Proposal for ECMAScript enums

file-icon. Get the icon of a file or app as a PNG image (macOS)

color-api. A proposal and draft spec for a Color object for the Web Platform, loosely influenced by the Color.js work. Heavily WIP, if you landed here randomly, please move along.

proposal-built-in-modules. HTML

absurd-sql. sqlite3 in ur indexeddb (hopefully a better backend soon)

proposal-await.ops. Introduce await.all / await.race / await.allSettled / await.any to simplify the usage of Promises

vscode-linter-xo. Linter for XO

yachalk. 🖍️ Terminal string styling done right

proposal-seeded-random. Proposal for a new SeededPRNG class that yields reproducible sequences of random numbers.

proposal-change-array-by-copy. Provides additional methods on Array.prototype and TypedArray.prototype to enable changes on the array by returning a new copy of it with the change.

navigation-api. The new navigation API provides a new interface for navigations and session history, with a focus on single-page application navigations.

nasa-apod-request. Makes a request to NASA's Astronomy Picture of the Day (APOD) and makes it the background image

modern-unix. A collection of modern/faster/saner alternatives to common unix commands.

currently-playing. Display your current Spotify listening status as a background widget on Mac.

alfred-plash. Alfred workflow to control the Plash app

System-Color-Picker. 🎨 The macOS color picker as an app with more features

squoosh. Make images smaller using best-in-class codecs, right in the browser.

plash-cli. Control the Plash app from the command-line

CodeEditorView. SwiftUI code editor view for iOS, visionOS, and macOS

proposal-array-find-from-last. Proposal for Array.prototype.findLast and Array.prototype.findLastIndex.

Regex. 🔤 Swifty regular expressions

pid-port. Get the ID of the process that uses a certain port

CodeEditor. A SwiftUI TextEditor with syntax highlighting using Highlight.js

swiftui. Discussion forum for SwiftUI

is-unicode-supported. Detect whether the terminal supports Unicode

proposal-temporal. Provides standard objects and functions for working with dates and times.

swift-collections. Commonly used data structures for Swift

cross-platform-terminal-characters. All the characters that work on most terminals

chunkify. Split an iterable into evenly sized chunks

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

Plug. macOS app for Hype Machine

react-hot-toast. Smoking Hot React Notifications 🔥

.github. Much meta

p-state. Inspect the state of a promise

proposal-module-expressions. HTML

TwitterTextEditor. A standalone, flexible API that provides a full-featured rich text editor for iOS applications.

proposal-iterator-helpers. Methods for working with iterators in ECMAScript

swift-http-structured-headers. A Swift implementation of the HTTP Structured Header Field specification.

naming-cheatsheet. Comprehensive language-agnostic guidelines on variables naming. Home of the A/HC/LC pattern.

proposal-string-prototype-codepoints. String.prototype.codePoints proposal for ECMAScript (stage 1)

proposal-first-class-protocols. a proposal to bring protocol-based interfaces to ECMAScript users

human-interface-guidelines-extras. Community additions to Apple's Human Interface Guidelines

eslint-remote-tester. CLI tool for testing given ESlint rules against multiple repositories at once.

typed-query-selector. Better typed `querySelector` and `querySelectorAll`.

upptime. ⬆️ GitHub Actions uptime monitor & status page by @AnandChowdhary

yocto-queue. Tiny queue data structure

Motion. Animation engine for gesturally-driven user interfaces, animations, and interactions on iOS, macOS, and tvOS.

ImageOptim. GUI image optimizer for Mac

typescript. TypeScript with some extras for type-checking.

HighlightedTextEditor. A SwiftUI view for dynamically highlighting user input

ghat. 🛕 Reuse GitHub Actions workflows across repositories

desktop. Focus on what matters instead of fighting with Git.

editly. Slick, declarative command line video editing & API