Credits

Open source rocks.

Here are some of the things we use:

Ubuntu makes setting up servers a breeze
Django lets you develop without reinventing the wheel
Twitter Bootstrap gives all of the pre-fab buttons, menu, and layout needed to make a web app look great
JCrop is the best for client side image cropping
Celery
Django Celery makes asynchronous tasks a breeze
python-imaging
SocialCount widgets that don't take forever to load
Django MPTT lets you store and traverse tress without worry
djrill Mandrill integration for Django
jquery.transit helps give super-smooth CSS3 transitions
Plupload lets (almost) any configuration upload files
jquery.scrollTo automates scrolling
jquery-image-annotate was a great base for hover-over photo notes
Font Awesome trumps any other icon set since it's all vector
gridster
jQuery UI
qTip2
jquery-ui-touch-punch
jQCloud
d3-cloud
jquery.sparkline
jquery-waypoints
python-simplejson
python-beautifulsoup
Memcached
python-memcache
python-bottlenose for interfacing with the Amazon API
python-django-compressor
python-pycryptopp
xml2json
django-markdown-deux
MySQL
nginx
django-groupcache
django-debug-toolbar
memcache-debug-panel
jQuery Popup Plugin
django-ratelimit
django_polymorphic

Subtle Patterns has a library of background patterns so understated that you have to squint to compare them
The Noun Project built a catalog of the world in icon form. Credit is due for:
- Upload by Philipp Suess
- Rotate
- Crop
- Shuffle
- Magnifying Glass by Philipp Suess
- Cross Head Screwdriver by Proletkult Graphik
- Trash by Roger Cook & Don Shanosky
- Trash by Ricardo Moreira
- Picture Frame by Olaus Linn
- Delete by Naomi Atkinson

Here are some of the other things we use: