On Jan. 19, branches of the YMCA of the Brandywine Valley and YMCA of the Upper Main Line will be free and open to the public from noon to 3 p.m. Families can swim, play games and work out. Non-members can enter a drawing to receive a free three-month membership. Locations include: Brandywine YMCA, Coatesville; Jennersville YMCA, West Grove; Kennett Area YMCA, Kennett Square; West Chester Area YMCA, West Chester; Lionville Community YMCA, Exton; and Upper Main Line YMCA, Berwyn.  Visit www.ymcabwv.org or www.umly.org.