Margin Alternatives

Nov 5, 2016 - Welcome to the DOS throttle homepage.

Free email forwarding

Taking control of your privacy and keeping your email private is now as easy as generating a strong password.

Forward incoming mail to your real e-mail address

Control your email and have a cleaner inbox

Stop email interruptions, receive emails 3 times a day

The Autoklose Email Spam Checker is a powerful tool built to help you create email copy without spam.

An open-source, disposable email service 💌

Brainsight predicts attention of your target group, without testing actual people, with 94% accuracy.

freemium €199.0 / Monthly (500 heatmaps)

Password protect your Google Docs, Sheets, and Slides!

Create unlimited aliases for free. Protect your email from spam using disposable addresses. Encrypt forwarded emails with PGP encryption using this service.

pro Fit is a Macintosh (Mac OS) application for data/function analysis, plotting, and curve fitting.

Protect your privacy with unique email aliases