Templating engines that work very well with Python/Django

Can someone suggest a few templating engines that work really well with Django and help in coding efficiency? Where can I fin comparison of tempating engines I can find to know their pros and cons? Thanks. -- https://mail.python.org/mailman/listinfo/python-list

Graph or Chart Software for Django

What is the best Graph or Chart software used with Django (libraries & products), preferably open source? Need something stable and robust, and used by many developers, so active on community channels. Thanks. -- https://mail.python.org/mailman/listinfo/python-list