du speed

Improve your reading speed.

This simply scales up the speed of a model train to the speed of train.

Measure disk performance for video work.

Easily handle 3 sets of mouse settings and automatically switch settings

Speed up Mail.app.

Next generation browser with ad-blocker, for more speed, security and privacy.

Quickly check your Internet-connection speed (was Speedy).

Practice speed reading skills using plain text eBook files.

Email client focused on speed.

One-Click to clean, optimize and speed up your entire Mac.