Dog Ear VS Toby

Hyperping - Cheap uptime and performance monitoring with detailed reporting and flexible alerting

Workona - A better way to work in the browser.

Curler - Dead Simple Free Uptime Monitoring

OneTab - Whenever you find yourself with too many tabs, click the OneTab icon to convert all of your tabs into a list. When you need to access the tabs again, you can either restore them individually or all at once.

Snooze Tabby - A simple way to snooze your tabs for later

Session Buddy - Manage Your Browser Sessions