Countdown Screensaver - A Mac screensaver for counting down to a date 🖥🕐
Hyperise - HYPERISE helps to create dynamic images that personalize to your email recipients and website visitors, on the fly.
Email Taco - A free email countdown timer for expiring offers
lemlist - Send emails that get replies 💌
Free time calculator - How much free time do you have remaining?
OKZest - Mail merge for images. Increase click through rate in emails with automatically generated images.