Closely affiliated with Constant, OSP was created in 2006 as an experimental project to test the possibilities and realities of doing graphic design using an expanding range of Free Software tools. Over time it has grown into a diverse collaborative practice. In 2013 OSP has become an association independent from Constant.

OSP is serious about testing the possibilities and limitations of Open Source software in a professional design environment, without expecting to find the same experience as the ones we are used to. In fact, OSP is interested in experimenting with everything that shows up in the cracks.