Superfeedr released a Node XMPP Server. "Since astro had been doing an amazing work with his node-xmpp library to build _Client, Components and even Server to server modules, the logical next step was to try to build a Client to Server module so that we could have a full blown server. That’s what we worked on the past couple days, and it’s now on GitHub!_

Joyent's Mark Cavage released LDAP.js. "ldapjs is a pure JavaScript, from-scratch framework for implementing LDAP clients and servers in Node.js. It is intended for developers used to interacting with HTTP services in node and express.

Microsoft's Tomasz Janczuk released iisnode "The iisnode project provides a native IIS 7.x module that allows hosting of Node.js applications in IIS.

Scott Hanselman posted a detailed walkthrough of how to get started with iisnode