Several different license types are available for purchase: Development License, Runtime License, Enterprise License, and Source Code License. A development license is required after the free trial period of 60 days has passed. Runtime licenses are required as soon as an application gets deployed into production. There is no difference between in-house deployment or customer-site deployment. Registering a runtime license key with FlexGanttFX removes the nagging screen and the auto-exit after 30 minutes.