Modeled from the (Facebook Javascript SDK), now with the facebook-node-sdk you can now easily write the same code and share between your server (nodejs) and the client (Facebook Javascript SDK).
Node.js tool for App Generation
filter arrays using mongodb queries
A visualization toolkit for JavaScript using SVG.
Protovis
Lazy-load your JavaScript
Javascript MVC for the "write less, do more" programmer
Agility.js Javascript MVC library
agility.js is an mvc library for javascript that lets you write maintainable and reusable browser code without the verbose or infrastructural overhead found in other mvc libraries.
Sprockets inspired web assets compiler for Node.JS
mincer 1.2.5 API documentation
A node.js package that provides an Express/Connect middleware to enable Cross Origin Resource Sharing (CORS) with various options.
cors middleware for dynamically or statically enabling cors in express/connect applications
Swank backend for Node.JS and in-browser JavaScript
A Javascript chess library for chess move generation/validation, piece placement/movement, and check/checkmate/draw detection