A cross-platform, reimplementation of Notepad++

A tile server for WSI stored in S3-compatible object storage. It serves tiles on-demand using HTTP range requests, so you never have to download or mount multi-gigabyte slides on local disk.

HTTP server mocking and expectations library for Node.js

The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.

TypeScript でRxJSの情報提供サイト

Postmodern immutable and persistent data structures for C++ — value semantics at scale

The easiest way to run WireGuard VPN + Web-based Admin UI.

The most comprehensive authentication framework for TypeScript

Protect your SSH keys with your Mac's Secure Enclave

A Typescript library for creating discriminating union types.

TypeScript wrapper around signal-cli-rest-api for making Signal chatbots

Dockerized Signal Messenger REST API

Anthropic's Interactive Prompt Engineering Tutorial

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

Responsive Chat built with Bootstrap 5. Many variants of the chat UI - mobile app, messages box, desktop widget and more.

Distribute and run LLMs with a single file.

🧠 Cognitive load is what matters

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.

A concise API for exploratory data visualization implementing a layered grammar of graphics

Open source CSS framework for data visualization.

An open-source recreation of the "Welcome to Kilnettle" tape dispenser from Father Ted.

Introduction to Functional Programming using TypeScript and fp-ts.

IBANTools is TypeScript/JavaScript library for validation, creation and extraction of IBAN, BBAN and BIC/SWIFT numbers.

fp-ts bindings for @most/core

Use D3 to visualize simple git branching operations.

Monorepository for tools that analyze lit-html templates

A fast, zero dependency object and array comparison library. Significantly faster than most other deep comparison libraries and has full TypeScript support.

A navigation aid (aka, router) for the browser in 850 bytes~!

Hosts TSConfigs to extend in a TypeScript app, tuned to a particular runtime environment