PermaTab от Michael E Pope

Have you ever wanted a tab to be 'always open' in your web browser? For me, I need my calendar, to-do list, and company chat app open all of the time. The browser's built in method to do this is 'Pinned Tabs'. However, I've found pinned tabs to be insufficient in some areas. This extension fixes that.

• When your browser closes, or crashes unexpectedly, sometimes, your pinned tabs aren't saved. While we can't do anything about the 'state' stored in those pages, this extension will remember those URLs and re-open them next time you start your browser.
• If you've used pinned tabs before, you'll note it's pretty easy to close them accidentally, as part of your regular browsing habits (either by right clicking and closing, or by using the hotkey to close a tab). When you do that, this extension will re-open the page in a new pinned tab.
• As a consequence of the features above, when your browser restores a previous session, it's possible to get duplicate pinned tabs. This is solved by eliminating pinned tabs that have a matching URL when a new pinned tab is opened. Currently, there isn't a setting to turn this off. Let me know if you guys would like one.

Privacy is to be respected, so all work done by this extension is performed locally in your web browser.