Stephen Downes

From the about page: "The Schools Interoperability Framework (SIF) is an industry initiative to develop an open specification for ensuring that K-12 instructional and administrative software applications work together more effectively. SIF is not a product, but rather an industry-supported technical blueprint for K-12 software that will enable diverse applications to interact and share data seamlessly; now and in the future." If you haven't looked at this site, you should - all the usual major players are there, including software companies, book publishers and more.