Presagis, a provider of Commercial-Off-The Shelf (COTS) modeling, simulation, and user interface development software, has released new versions of its software including: Graphical HMI development tool, VAPS XT 5.0, ARINC 661 development tool, UA Accelerator 5.0, and ARINC 661 Protocol Analysis tool, UA Emulator 5.0. 3 November 2022