I'm using offlineimap, too. It's not running longer than a program like Mail.app when it has been synched once. The first run, of course, might take a while if

I'm using offlineimap, too. It's not running longer than a program like Mail.app when it has been synched once. The first run, of course, might take a while if you have lots of mails(; Regarding literate configuration: It's been super easy, honestly. I used to have a longer init.el (formerly super long vim.rc^^). Once I wrote a short macro that converted comments into new headings in org to get me started. Then, every time I touch something, I just add a little more documentation to guide me and others for the next time. It's not more work than writing a regular init.el with comments, but the result is so much more powerful (folding->refactoring, documentation on Github, etc). Can only recommend it, at least for Elisp.