https://github.com/aes/wedge-ws.git
git clone 'git://github.com/aes/wedge-ws.git'
This provides simple interactions to add (or remove) whitespace between informal columns in the text, such as tables or aligned comments.
for example, this, with the cursor on the word bar:
moophlebistre
cat dog
foo bar
mef gog
becomes this:
moophlebistre
cat dog
foo bar
mef gog
(for clarity, that's three steps)