Webpyte proudly uses CherryPy 3.1, which provides speed, a very nice API, sessions, serving multiple applications, server configuration separate from application configuration, logging, cookies, serving static directories and files, decoding the request, gzipping the response, digest authentication etc.

TurboGears 1.x used CherryPy 2.3. TurboGears 2.0 will not be based on CherryPy anymore. Instead, it is based on Pylons (which uses Paste or Webob for webserver).