- Dates and times, with one of the best date-input methods in all of Emacs
- Selective display of document hierarchy using the tab key as a catch-all trigger for cycling through visibility options.
Really, it does lots more so for more info, look over The Org Manual, check out the website or view the Worg, a sort of distributed wiki-like project using git to sync org files. Org-mode made it into Emacs22 and is included by default thereafter. However, the version that came with the emacs22 package on Debian Lenny wasn’t exactly up-to-date so I installed the org-mode package and it all worked fine.