social-cms-backend Express middleware to provide schema-less REST APIs for creating a social networking website primarily using angular.js. It comes with built-in authentication, authorization and notification features.
thrift node.js bindings for the Apache Thrift RPC system
webpack Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loaders to preprocess files, i.e. json, jade, coffee, css, less, ... and your custom stuff.
worker-farm Distribute processing tasks to child processes with an über-simple API and baked-in durability & custom concurrency options.