Compute the tangent of a double-precision floating-point number on [-π/4, π/4].
In-memory knowledge adapter for ObjectStack (dev / test reference implementation).
Memory adapter for catbox
Memory adapter for Better Auth
Embedded JavaScript kernel — pure Node.js JS runtime for safe execution of untrusted code. Tokenizer, parser, interpreter with scopes, closures, built-in objects, host API bindings, and resource limits. (中文 / English / 日本語 / 한국어)
x86 PC emulator and x86-to-wasm JIT, running in the browser
[](https://opensource.org/licenses/MIT) [](http://www.typescriptlang.org/) [![CircleCI](https://circleci.com/
Get the name and version of a macOS release from the Darwin version
Audio resampler for Rust/JS that uses Lanczos filter.
Access memory using small fixed sized buffers
Direct IO helpers for block devices and regular files on FreeBSD, Linux, macOS and Windows.
Apache Arrow columnar in-memory format
Fast code intelligence engine for AI coding agents — single static binary MCP server
LavaMoat kernel and utils
High Performance In-Memory Cache for Node.js
Shared kernel
JupyterLab - Running Sessions Panel
Ocap Kernel storage abstractions and implementations
npm launcher wrapper for the Context Kernel akernel CLI.
MongoDB namespace parsing and validation
Utilities for implementing Ocap Kernel JSON-RPC methods
JupyterLab - Tooltip Widget
Ocap Kernel shims
Tools for running the MetaMask Ocap Kernel in a web browser