Frameworks based on Werkzeug

Flask - A microframework based on Werkzeug, Jinja2 and good intentions.

Glashammer - Werkzeug + Jinja2, (with db optional: eg SQLAlchemy, Appengine, Storm, ZODB) with lots of little goodies.

Uliweb - Werkzeug + web2py-like template + Beaker(cache, session) + WebOB(Request, Response), (Uliweb ORM optional)

Pysmvt - A wsgi web framework with a pylons spirit and Django modularity. Built on Werkzeug + Jinja2 (but using another template engine is pretty easy to configure). Start with

Pysapp to get up and running quickly with beaker sessions, HTML form generation, user auth and SQLAlchemy DB. Very early stage of development. Visit the Pyslibs Google Group with questions.

Starlight - Just Werkzeug. It's a bit like CherryPy, but with different stuff.

Yapf - Yet Another Python Framework. Built on Werkzeug, module loading support, easy html forms, and SQL driven (No ORM)

tipfy - Small but powerful framework made specifically for Google App Engine. It is a lot like webapp.

Kay - Made specifically for Google App Engine. Design based on the Django framework.

KalaPy - A Web framework for Python providing it’s own Database Abstraction Layer, WSGI compatible web components based on Werkzeug, templating support based on Jinja2 and full internationalization support.

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Comparison of (some) features

Framework	Template	Forms	i18n	Database	Version	Date	Notes
Flask	Jinja2, Genshi*	WTForms*	Babel*	SA* +others*	0.4	2010-06-18	supports GAE
Glashammer	Jinja2	WTForms*	Babel*	SA* +others*	0.2.1	2009-03-31	supports GAE
uliweb	web2py-based	custom	custom	SQLAlchemy	0.0.1a2	2009-10-13	uses webob, supports GAE
pysmvt	Jinja2	FormEncode		SQLAlchemy	0.2.2	2010-05-30	-
Starlight	no	no	no	no		2009-11-21	-
Yapf	no	custom			0.1		-
tipfy	Jinja2*, Mako*	WTForms*	Babel*	GAE	0.5.8	2010-06-30	GAE specific
Kay	Jinja2	zine-based	Babel	GAE	0.10.0rc1	2010-05-14	GAE specific
KalaPy	Jinja2		Babel	custom		2010-06-16	supports GAE

* = optional, or provided as an extension

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Please add yours!