Tornado is a Python web framework and asynchronous networking library. By using non-blocking network I/O, Tornado can scale to tens of thousands of open connections, making it ideal for long polling, WebSockets, and other applications that require a long-lived connection to each user. It's comprised of a web framework, a HTTP client and server implementation based on an asynchronous networking core, and it coroutine library. As whole it can supplant WSGI setups, but the web framework itself may
Express is a fast and minimalistic web framework for NodeJS. It provides robust routing, HTTP utility code (redirection, caching, etc), view and templating system (over 14 engines) support, HTTP content negotiation, and code generation.
DVelum is a web development platform built in PHP and ExtJS that tries to simplify routine tasks through a programatic graphical interface. DVelum operates basically like an IDE, with drag and drop coding, implicit code scaffolding, module packaging and server distribution. It has a visual query builder upon an ORM, can generate UML diagrams, integrates a report builder for analyzation, a media library and document structure manager.