It's a great piece of software for writing. I've tried Scrivener and like it but the interface minimalism of Ulysses jives with me. The organizational tools are

It's a great piece of software for writing. I've tried Scrivener and like it but the interface minimalism of Ulysses jives with me. The organizational tools are particularly well thought out. My main criticisms: * updates come far too infrequently. * little support for multiple versions of a document.