Trello, monday.com, Todoist, Workflowy, ClickUp, OmniFocus, Taiga.io, Wekan, Slope, Kanboard, Zenkit, Rukovoditel, Wrike, Quire, SmartTask, Printavo, FacileThings, Dayboard, Keela, Friendie, Refinder, Tabillo, Atlas Projects are some alternatives to TaskQue.