windsize

https://github.com/grammati/windsize.git

git clone 'git://github.com/grammati/windsize.git'
3

windsize.el

Easy resizing of emacs windows.

Usage

(require 'windsize)
(windsize-default-keybindings)

Then use C-S-<left>, C-S-<right>, C-S-<up>, and C-S-<down> to move window edges.

Resizes by 8 columns or 4 rows by default. Change that by setting windsize-cols and/or windsize-rows.

License

GPL, of course.