For the first time, Magento developer documentation is on this public github. From humble beginnings ... currently, we have a small subset of Services framework documentation available but by the start of the Magento Imagine eCommerce Conference on May 12, 2014, we'll expand it.
Update: We're moving our content from another github. Please be patient.
Where's the rest of it? Still on the Magento public wiki.
Look around, send us comments, let us know how you think we're doing. We're here to serve you so let us hear from you.
—Magento documentation team