Placeducky Attribution

Placeducky is a offered as a free service, but in turn it is built on top of the work of others that is available for free. This page tries to list as many things as possible.

Tools

Imagemagick
This is an awesome tool to programmatically resize images.
Ruby
A dynamic, open source programming language with a focus on simplicity and productivity. It has an elegant syntax that is natural to read and easy to write.
Rack
Rack is a light-weight library for building HTTP request handlers.
Phusion Passenger
Passenger is an application server that manages the Rack app that runs Placeducky.
Apache
Apache is an awesome webserver.
Debian
Debian is a very stable Linux distribution.

Photo sources

All ducks on this site are under some form of open license. These are the ducks' original sources.

Art duckies

Photo duckies

Single duckies

Real duckies