SendLater - Email scheduler for Mac Mail.

Shortwave Bookmarklet - Shortwave is an extensible quick-search and shortcut bookmark.

Assistant.to - GoToMeeting. Put your GoToMeeting link in the Assistant. to "Location" field. Once the recipient selects a time, you will both receive an invite with a unique GoToMeeting link.

Shortwave - Email smarter & faster with a reinvented experience for your Gmail

Greasemonkey - Customize the way a web page displays or behaves, by using small bits of JavaScript.

Acuity Scheduling - Automate your client bookings, cancellations, reminders & payments using the worlds friendliest online scheduling software.