Native I/O pipes for JavaScript

Proper decorator-based transformation / serialization / deserialization of plain javascript objects to class constructors

The fastest and smallest JavaScript polygon triangulation library for your WebGL apps

https://github.com/rustwasm/walrus bindings

hast utility to transform to estree (JavaScript AST) JSX

Opt-in insert tools for OpenLeaf: media embeds, collapsible sections, anchors, character map, emoji, snippets, page breaks, and image resize handles. The matching schema nodes live in @openleaf-editor/core so stored documents round-trip whether or not thi

Normalizes and denormalizes JSON according to schema for Redux and Flux applications

Standards-compliant WebSocket server and client

Shared in-process subagent run driver: drives a child agent on ctx.agents (used by the spawn and fork backends)

Model-facing bash tool with optional generic background-task and sandbox-escalation support

A lightweight, zero-dependency library providing accurate navigation tracking, fixed document.referrer value, and complete history support for React frameworks.

Supports authorization for product REST API calls

Platform-agnostic JSX channel engine for CopilotKit (createChannel, Thread, PlatformAdapter, ActionStore).

atproto handle and DID document resolution

Convert and detect character encodings in JavaScript

A lightweight and trustworthy URL polyfill for React Native

Custom errors

Polyfill for Ember JS API.

Pipedream Social Fetch Components

hast utility to transform to mdast