hackers love to work on operating systems, window managers, text editors, and compilers, because they use those things themselves. hence all the free software

hackers love to work on operating systems, window managers, text editors, and compilers, because they use those things themselves. hence all the free software advances in those areas. but a distributed email/calendaring system? not so much. there has been one attempt: chandler. seems like mitch kapor's heart was in the right place, but after six years of glacial progress, he left the project and took his funding with him. it's doomed. apple is more focused on home users than businesses, so an exchange killer is outside their usual m.o. as well.