FlexGantt is the most advanced Gantt charting solution currently available for Java. It uses a very high abstraction level, which allows it to be applied in various and often very different domains such as ERP systems, production planning and scheduling applications, manufacturing execution systems or project portfolio management applications.

FlexGantt uses a unique layering approach that is known from graphics and mapping applications. Each Gantt chart consists of a set of system layers, which provide the core functionality (e.g. a drawing vertical grid lines) and a set of layers dedicated to rendering timeline objects (activities, events, milestones, ...). Applications can add as many timeline object layers as they like, allowing them to easily group objects and show or hide them all at once. Layers also support transparency so that overlapping timeline objects can be easily identified.

FlexGantt and its predecessor framework DJT have been used and tested by hundreds of professional planning and scheduling applications. The customer list contains companies such as Siemens, Boeing, NASA, JPL, Lockhead Martin, Raytheon, Kuehne + Nagel, SAIC, General Dynamics, ABAS, Bauer, etc...