Personally I started using Rambox (which is I think developed using the chrome or chromium engine) to be able to log-in different trello account ( as well as different gmail accounts, and different calendar accounts).
I think there are other equivalent tools / browsers on the market that allow you to do the same kind of things.
Solution for those using Google Chrome....
1) Log into your first Trello account in your Google Chrome browser as usual. I login first with my personal account because it is connected to my Google account and this allows me to do a single sign-on.
2) Click on the circle with your initial in it at the top right of the NEW Chrome Browser window.
3) Then, click Open Guest Window. This will separate the sessions between the Windows.
4) Now log into Trello with your other account in the Guest Window.
Hi there, Community! Jessica here from Trello Product Marketing. As we celebrate 50 million registered users, we're super excited to share several new features available in Trello now that will hel...
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