Advanced Design System (ADS) 
Keysight ADS is the premier electronic design automation (EDA) platform for the design of high-frequency and high-speed digital physical layer components from single purpose amplifiers to complex RF modules and high-speed digital boards.
- Circuit Simulation
- EM Simulation
AWR Design Environment:
The NI AWR Design Environment™ software product portfolio consists of high-frequency design environments that embrace:
- System simulation (Visual System Simulator™)
- Circuit simulation (Microwave Office and Analog Office)
- Electromagnetic analysis (AXIEM and Analyst™)
CST Studio Suite:
CST STUDIO SUITE® is a package of tools for designing, simulating and optimizing electromagnetic systems, and is used in leading technology and engineering companies around the world. The three pillars of CST® products are accuracy, speed and usability.