Bottle is a fast and simple WSGI-framework for the Python Programming Language. It offers request dispatching with url parameter support (routes), templates, key/value databases, a build-in HTTP server and adapters for many third party WSGI/HTTP-server and template engines. All in a single file and with no dependencies other than the Python standard library.

WSGI-compliant HTTP publisher for Python

Otto uses a routes-like syntax to map URLs to code and supports object traversal.

Tornado is an open source [python] version of the scalable, non-blocking web server and tools that power FriendFeed.

Pyjamas is a port of Google Web Toolkit to Python.

Native iPhone and Android apps built with Web technologies.

PhoneGap is an open source development tool for building fast, easy mobile apps with JavaScript.

If you’re a web developer who wants to build mobile applications in HTML and JavaScript while still taking advantage of the core features in the iPhone, Android and Blackberry SDKs, PhoneGap is for you.