The Montclair Arts Alliance invites all arts organizations and artists to an open house at the United Way Theatre, 60 South Fullerton Ave., on Thursday, Sept. 28, 7 p.m., and Thursday, Oct. 12, 7 p.m. The Montclair Arts Alliance is a new nonprofit organization to serve artists through advocacy, networking, roundtables and more. Artists can take a tour of the space and learn about performance opportunities and space rental in this newly forming arts center. Refreshments will be served. Please RSVP to firstname.lastname@example.org. Visit MontclairArtsAlliance.org for more information.