Org mode for Emacs – Your Life in Plain Text
Org mode is for keeping notes, maintaining TODO lists, planning
projects, and authoring documents with a fast and effective plain-text system.
Created by Carsten Dominik in 2003, maintained by Bastien Guerry and developed by many others.
Installation
The stable version of Org is 9.0.9, as of June 2017. See the release notes.
Get it with M-x package-install RET org RET (see Org ELPA).
Or download it as a tar.gz or zip archives.
You can browse the development version from cgit or clone the repo:
~$ git clone git://orgmode.org/org-mode.git (http works too)
More
Check out the installation instructions.
Worg will tell you more on the build options and on how to stay on the bleeding edge.
Documentation and literature
Buy the printed version of Org's manual (Network Theory Ltd.)
For each book sold, Network-Theory Ltd. is making a $1 donation to the maintainer of Org mode.
Browse the manual (one page per section).
Read the complete manual: HTML or PDF
Read the compact guide: HTML or PDF
Check the FAQ, the hacks, and tutorials on Worg.
Check the reference docs about hooks, commands and options.
Check the list of (scientific) papers about Org mode.
Before submitting a bug report, make sure you read the "Feedback" section of the manual.
You may also read How To Ask Questions The Smart Way, by Eric S. Raymond and Rick Moen.
M-x org-submit-bug-report RET