> Move and resize your windows with ease.
>
> Those familiar with similar apps will find Spectacle to be a simple
> and unobtrusive way to become more productive while using your Mac.
> Using Spectacle you can view multiple documents side-by-side, move
> windows to other displays, or even focus your full attention to a
> single task.

#1: Spectacle 1.2 (10.9+)
#2: Spectacle 0.8.6 (10.7+)
#3: Spectacle 0.7 (10.6+)

Default key commands

\- Center / Alt + Cmd + C
\- Fullscreen / Alt + Cmd + F

\- Left Half / Alt + Cmd + ?
\- Right Half / Alt + Cmd + ?
\- Top Half / Alt + Cmd + ?
\- Bottom Half / Alt + Cmd + ?

\- Upper Left Corner / Ctrl + Cmd + ?
\- Lower Left Corner / Ctrl + Shift + Cmd + ?
\- Upper Right Corner / Ctrl + Cmd + ?
\- Lower Right Corner / Ctrl + Shift + Cmd + ?

\- Next Display / Ctrl + Alt + Cmd + ?
\- Previous Display / Ctrl + Alt + Cmd + ?

\- Next Third / Ctrl + Alt + ?
\- Previous Third / Ctrl + Alt + ?

\- Undo / Alt + Cmd + Z
\- Redo / Alt + Shift + Cmd + Z

Webpages

[Archived 2012 homepage][1]
[Final capture of homepage][2]

[Github source code][3]

Compatibility
Architecture: x86 (Intel:Mac) x64 (Intel:Mac)

  [1]: https://web.archive.org/web/20120304023657/http://spectacleapp.com/
  [2]: https://web.archive.org/web/20230308101556/https://www.spectacleapp.com/
  [3]: https://github.com/eczarny/spectacle