Automatic reminders about overpassed dates
Although agile methodology is from several reasons appropriate for smaller flexible teams, it touches in several points classical project management. Respecting dueDates is one of those points.
Spring corkboards, with tasks waiting to be done is well known in agile community. Specially by ones that follow Scrum or eXtreme Programming project management. But also here tasks can have their sequence and important dates must be respected.
Improved corkboards now offer you an advanced overview on overpassed tasks reminding a team to speed up their work.