#email-tracker

500apps

★ 1.3

500apps is a unified business management software supporting 37+ apps, extensions, and plugins spread across all business departments. Unbelievable pricing - $14.99/user - no tiers.

Mailalert

★ 1.7

Mailalert is a simple and free Gmail plugin that track emails. With Mailalert you know when and how often has been your email opened.