Logic-less {{mustache}} templates with JavaScript

Compute the tangent of a double-precision floating-point number on [-π/4, π/4].

Floating UI for the web

Build complex rules, serialize them as JSON, and execute them in JavaScript

Positioning library for floating elements: tooltips, popovers, dropdowns, and more

Kernel cloud browser extension for Vercel eve agents — mount one line and get session management, Playwright execution, and human-like computer controls as kernel__* tools.

`@jest/pattern` is a helper library for the jest library that implements the logic for parsing and matching patterns.

Consolidated Xema OS kernel wire contracts — pure types + zod schemas for the kernel protocol surfaces. One package, one npm scope, wildcard per-surface subpath exports. No framework/runtime deps.

Get the name and version of a macOS release from the Darwin version

MongoDB namespace parsing and validation

Typescript version of Semantic Kernel

LavaMoat kernel and utils

Type checking for JavaScript functions

Construct complex rules with JSON & process them.

[](https://opensource.org/licenses/MIT) [](http://www.typescriptlang.org/) [![CircleCI](https://circleci.com/

🚇 Implementation of Metro's resolution logic.

Shared kernel

Sidecar code splitting utils

OpenKernel — provider-agnostic AI execution kernel. Native coding agent + mission-driven execution runtime.

Cross-platform kernel for the agent-harness-generator — wasm primary, NAPI-RS native fallback