2
Rohde & Schwarz GmbH & Co. KG
5
Freeware
The R&S dB Calculator can be used to perform calculations related to decibel.
James L. Tonne
253
Shareware
Meter is a professional-level meterscale drawing program.
6
Nittany Scientific, Inc.
33
Commercial
Developed for beginners, hobbyists, and field engineers.
15
nathaniyer
287
Freeware
QuickSmith is a Smith Chart based linear circuit simulation program.