insert

A truly slick configuration of Insert and Image Resize Filter would disable insert if the img tag is not available for the selected text format.

No button, but it's pretty slick. Just type the day of the month, slash, and hit enter or tab. There's today's date.

Just type the time, "10:14", and it records it properly as a time.

Credit: http://user.services.openoffice.org/en/forum/viewtopic.php?f=9&t=32263

fn control option are the keys to hold down while dragging and dropping to move and insert rows or columns in Open Office Calc on a Mac!

vim autocomplete, or really, autoexpand abbreviations

All about shortcuts as well as abbreviations: http://www.linux.com/archive/articles/54936

To set abbreviations only for insert mode (which seems a little safer) add to your .vimrc file (or in Agaric's case, an included .vimrc-agaric file with all our Drupal and other development-specific additions) abbreviations in the format iab abbr abbreviation.