web2py is a free open source full-stack framework for rapid development of fast, scalable, secure and portable database-driven web-based applications.
It is written and programmable in Python. LGPLv3 License
Learn more:
http://web2py.com
To start web2py there is NO NEED to install it. Just unzip and do:
python web2py.py
Thats is it!!!
project/
README
LICENSE
VERSION > this web2py version
web2py.py > the startup script
anyserver.py > to run with third party servers
wsgihandler.py > handler to connect to WSGI
... > other handlers and example files
gluon/ > the core libraries
contrib/ > third party libraries
tests/ > unittests
applications/ > are the apps
admin/ > web based IDE
...
examples/ > examples, docs, links
...
welcome/ > the scaffolding app (they all copy it)
ABOUT
LICENSE
models/
views/
controllers/
sessions/
errors/
cache/
static/
uploads/
modules/
cron/
tests/
... > your own apps
scripts/ > utility and installation scripts
site-packages/ > additional optional modules