CKEditor Cloud Services Collaboration low-level API is required by CKEditor 5 Collaboration features to enable real-time collaborative editing in CKEditor 5.

Hand-written, dependency-minimal PDF codec: parses arbitrary real-world PDFs and generates new ones, built on document-schema.js's LayoutDocument pivot and Zod 4 codecs.

Generates and consumes source maps

Fast CBOR with a focus on strictness

SheetJS Spreadsheet data parser and writer

UI wireframe mockups from a Markdown-embedded DSL, rendered as inline SVG.

Implementation of interval tree data structure.

Pretty print JavaScript data types in the terminal and the browser

Create a double-precision floating-point number from a higher order word and a lower order word.

AWS region information, such as service principal names

Hand-written, dependency-minimal PDF codec: parses arbitrary real-world PDFs and generates new ones, built on document-schema.js's LayoutDocument pivot and Zod 4 codecs.

A High-Fidelity Agentic CLI with Sub-Agents for the Flux Era. Now has Computer Use.

A client-side library that converts any HTML element into a fully editable PowerPoint slide. **dom-to-pptx** transforms DOM structures into pixel-accurate `.pptx` content, preserving gradients, shadows, rounded images, and responsive layouts. It translate

A fully configurable, high-fidelity prototype kit

Low level utilities for working with ethereum interfaces

Data-Driven Documents

super fast, all natural json logger

Hand-written, dependency-minimal PDF codec: parses arbitrary real-world PDFs and generates new ones, built on document-schema.js's LayoutDocument pivot and Zod 4 codecs.

Capacitor plugin for Bluetooth Low Energy

A Long class for representing a 64-bit two's-complement integer value.