Which are the GNU Emacs modes/extensions you can't live without?
I have been using GNU Emacs for as long as I can remember. The Emacs modes I use regularly are:

  - Tramp
  - Template
  - Color-theme
  - Python
  - VCS
  - SLIME
  - Paredit
  - Uniquify
  - RCIRC
  - Org

Which ones do you use?
Which are the GNU Emacs modes/extensions you can't live without?
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I have been using GNU Emacs for as long as I can remember. The Emacs modes I use regularly are:

  - Tramp
  - Template
  - Color-theme
  - Python
  - VCS
  - SLIME
  - Paredit
  - Uniquify
  - RCIRC
  - Org

Which ones do you use?