Conges is a vacation management JAVA WebApp. Its purpose is to provide to employees and supervisors a tool to set vacation period (for employees) and to modify or delete vacation period for supervisors. Each employee belongs to a team managed by a supervisor. All teams are managed by a super supervisor. Each supervisor can see a Gantt diagram resuming vacation periods of his team. A special profile is admin, this profile allows to set the initial parameters of the webapp such as numbers of vacation days for each vacation reason, national days settings for each country.