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FormEncode is a validation and form generation package. The validation can be used separately from the form generation. The validation works on compound data structures, with all parts being nestable. It is separate from HTTP or any other input mechanism.

BigBlueButton enables universities and colleges to deliver a high-quality learning experience to remote students.

The Pylons web framework is aimed at making webapps and large programmatic website development in Python easy. Several key points: * A framework to make writing web applications in Python easy * Inspired by Rails and TurboGears * Utilizes a minimalist, component-based philosophy that makes it easy to expand on * Harness existing knowledge about Python Pylons makes it easy to expand on your knowledge of Python to master Pylons for web development. Using a MVC style dispath, Python knowledge is used at various levels: * The Controller is just a basic Python class, called for each request. Customizing the response is as easy as overriding __call__ to make your webapp work how you want. * Myghty templating compiles directly to Python byte-code for speed and utilizes Python for template control rather than creating its own template syntax for "for, while, etc"

Pyramid is a small, fast, down-to-earth Python web application development framework. It is developed as part of the Pylons Project. The major feature additions in Pyramid 1.0 are: * New name and branding association with the Pylons Project. * BFG conversion script * Paster template improvements * Terminology changes * Better platform compatibility and support * Direct built-in support for the Mako templating language. * Built-in support for sessions. * Updated URL dispatch features * Better imperative extensibility * ZCML externalized * Better support for global template variables during rendering * View mappers * Testing system improvements * Authentication support improvements * Documentation improvements

RhodeCode is a fast and powerful management tool for Mercurial and GIT with a built in push/pull server and full text search and code-review. It works on http/https and has a built in permission/authentication system with the ability to authenticate via LDAP or ActiveDirectory. RhodeCode also provides simple API so it.s easy integrable with existing external systems. RhodeCode is similar in some respects to github or bitbucket, however RhodeCode can be run as standalone hosted application on your own server. It is open source and donation ware and focuses more on providing a customized, self administered interface for Mercurial and GIT repositories.

lighttpd a secure, fast, compliant and very flexible web-server which has been optimized for high-performance environments. It has a very low memory footprint compared to other webservers and takes care of cpu-load. Its advanced feature-set (FastCGI, CGI, Auth, Output-Compression, URL-Rewriting and many more) make lighttpd the perfect webserver-software for every server that is suffering load problems.

Tornado is an open source version of the scalable, non-blocking web server and tools that power FriendFeed. The FriendFeed application is written using a web framework that looks a bit like web.py or Google's webapp, but with additional tools and optimizations to take advantage of the underlying non-blocking infrastructure. The framework is distinct from most mainstream web server frameworks (and certainly most Python frameworks) because it is non-blocking and reasonably fast. Because it is non-blocking and uses epoll or kqueue, it can handle thousands of simultaneous standing connections, which means it is ideal for real-time web services. We built the web server specifically to handle FriendFeed's real-time features - every active user of FriendFeed maintains an open connection to the FriendFeed servers.

TurboGears brings together four major pieces to create an easy to install, easy to use web megaframework. It covers everything from front end (MochiKit JavaScript for the browser, Kid for templates in Python) to the controllers (CherryPy) to the back end (SQLObject). The TurboGears project is focused on providing documentation and integration with these tools without losing touch with the communities that already exist around those tools. TurboGears is easy to use for a wide range of web applications.

TurboGears 2 is a reinvention of the TurboGears project to take advantage of new components, and to provide a fully customizable WSGI (Web Server Gateway Interface) stack. From the beginning TurboGears was designed to be a Full Stack framework built from best-of-breed components. New components have been released which improved on the ones in the original TGstack, and the Python web world has been increasingly designed around WSGI. This has enabled a whole new world of reuse, and TG2 is designed to take advantage of this fact in order to make a framework which provides easy to use, productive defaults, while still providing flexibility where it is useful. TG2 represents a change from some of the components in TurboGears 1, but we have now invested in a set of components that we think will continue to be at the center of python web development for years to come.

Pylot is a free open source tool for testing performance and scalability of web services. It runs HTTP load tests, which are useful for capacity planning, benchmarking, analysis, and system tuning. Pylot generates concurrent load (HTTP Requests), verifies server responses, and produces reports with metrics. Tests suites are executed and monitored from a GUI or shell/console.