Internal shared browser utilities and extension primitives for PostHog Browser SDKs

The 1Password JavaScript SDK offers programmatic read access to your secrets in 1Password in an interface native to JavaScript. The SDK currently supports `Node.JS`

An Implementation of ES Observables

Abortable async function helpers

Cleanup lambda VPS EC2 Network Interfaces on stack removal, to speed up the operation

mock window.matchMedia for tests or node

sealos desktop sdk

Recall Desktop SDK

MCP server for terminal operations and file editing

Tools for using GSAP in React, like useGSAP() which is a drop-in replacement for useLayoutEffect()/useEffect()

React hook to use IntersectionObserver declaratively.

E2B Desktop Sandbox - isolated cloud environment with a desktop-like interface powered by E2B. Ready for AI Computer Use

Better `os.arch()` for node and the browser -- detect OS architecture

E2B subprocess implementation for DeepSeek Harness

DELETED — see README

Shared subprocess and direct-agent harness for keyless real-Loader example smoke tests

mjml-head-breakpoint

Key-value cache for sharing data between Playwright workers.

NestJS middleware for handling multipart/form-data, which is primarily used for uploading files

Persistent PTY session seam for the DeepSeek Harness — owner-scoped ids, backend registry, interactive sends, reads, signals, and awaited cleanup