Signupgenius.: free online sign forms, A free online software tool for volunteer management and event planning. save time with sign up sheets and schedules for schools, sports leagues, business events and. Free sign- sign- sheet templates | smartsheet, Choose from over 20 free sign-in and sign-up sheets. templates include excel spreadsheets and word docs for recording attendance, event planning, and more.. Signup : create online signup sheets, , Create electronic signup sheets, and have your volunteers sign up online. it's quick, simple, and free! all you need is an email address..