Moodle Plugins directory: Log-in-as via Incognito window: Versions | Moodle.org
Log-in-as via Incognito window
Administration tools ::: tool_muloginas
Maintained by 
Petr Skoda
Petr SkodaAlternative "Log in as" plugin is part of MuTMS suite of plugins, this implementation does not require you to re-login repeatedly.