TCNOco/TcNo-Acc-Switcher 2.1

TcNo Steam Account Switcher (2.1)

on GitHub

Check the Wiki for info on your first start, and required runtimes.
Option to forget Steam accounts added. Restore forgotten accounts from backups, or clear backups
Open Steam's folder with one button in Settings.
Copy Friends list name, login username and SteamID by right-clicking on accounts in the launcher.