The Hopkinton-based charity Live4Evan will host its annual Oktoberfest fundraiser on Sunday, Oct. 1, from 2-5 p.m. at Start Line Brewery (151R Hayden Rowe Street). The event, featuring food, music, friends and more, will bring the community together to celebrate Live4Evan’s growth in housing support for families affected by congenital heart disease. Tickets are $40 and are required for admittance. For more information, visit live4evan.org.