Grassroots clubs often juggle Mailchimp, SurveyMonkey, Wix, and...

https://city-wiki.win/index.php/Single_Sign-On_for_Committee_Members:_Why_It_Matters_at_AGM_Time

Grassroots clubs often juggle Mailchimp, SurveyMonkey, Wix, and Eventbrite—paying $150+ a month in fees and managing separate logins