Developers love open source software. It stokes creativity, collaboration, and innovation, and is free, or at least less expensive, than commercial software. Luckily ProgrammableWeb provides hundreds of APIs in the Open Source category. Here we highlight the 12 most popular Open Source APIs.
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.