What are some alternatives?
When comparing Open Tabs and Dustman, you can also consider the following products
Tabs Outliner - Next Generation Session, Windows, Tabs Manager and a TooManyTabs Solution That Really Works.
TooManyTabs - Ever tried having 20 tabs or more open in Chrome?
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.
Symgi - Symgi - New minimal and pure bookmark site. Open multiple or singular links from bookmark groups.
Session Box - Using websites with multiple accounts at the same time is made easy.
Tabsets - Google Chrome extension to keep all the tabs you have open in a set so that you can open them all...