Select folder to scan it for solutions. Open any solution from single place. Open solution at the same IDE, or separate IDE (Ctrl + Dbl Click), or separate IDE in Administrator mode (Alt + Dbl Click). Make searching thru solutions, or make them favorite, recent, hidden. Synchronize solutions with repository folder. (Supported VS2015, VS2017, VS2019). After installation check View -> Other Windows -> Solution Switcher.
(For donation https://paypal.me/solutionswitcher)