Vaadin flexible gantt diagram: - Tasks treetable - Customizable table - Column formatter - Customizable task representation - Completion percent - Tasks dependencies - Customizable scale (year, month, day, hour) - Milestones at diagram - Tasks filtering * You also should add link to repository and dependencies to project's pom.xml bazon.public http://developer.bazon.ru/maven/bazon.public/ true true org.vaadin.addons gwt-graphics 1.0.0 org.vaadin.addons contextmenu 3.1.0 joda-time joda-time 2.0 ru.bazon pstring 0.0.1.0 * This version doesn' t use vaadin Container interface. It uses GanttDiagramModel instead. At first you should describe model and then call diagram setModel() method.