The Fotolia SDK helps users integrate the Fotolia API with their PHP, Python, and Java applications. The SDK requires PHP 5.2+, Python 2.7+, or the Java JDK 6.26+ depending on which language the developer is using.
Magickly aims to make image manipulation possible as a simple web service. The Magickly API is very easy to use, and completely open source. It requires no API key, and allows a developer to use a lot of different image manipulations on any web-accessible image. Magickly is an open source, simplified version of the Aviary Effects API, which has a contest ending next week.