WITTENSTEIN high integrity systems (WHIS) is a company that provides safety engineering solutions. It offers SAFERTOS, a safety real-time operating system (RTOS) for embedded processors; Tracealyzer, a trace visualization tool that is integrated with SAFERTOS; Stateviewer, an integrated development environment (IDE) plugin tool that allows users to work with OPENRTOS, etc. The company caters to the aerospace, automotive, rail, industrial, medical devices, and other sectors.