heatmap.js - Dynamic Real-time Heatmaps for the Web
Canned Emails - A minimal site with prewritten emails
Unspam.email - Email spam checker and newsletter heatmap prediction.
analyze.email - Test the spam-y-ness of your emails
TheHOTH - The HOTH is a white label SEO service built specifically for agencies, in-house SEOs, and affiliates.
TapText - Send canned text messages with a single tap