1. HAMRADIO DELUXE - The Ham Radio Deluxe is an amateur radio software suite. These five applications contain all the tools necessary to make more productive. These applications are all built to work together.
https://www.ham-radio-deluxe.com/
2. LP-Bridge: Works well, well supported, but limited to use with supported transceivers. Originally designed for the K3. Free.
http://www.telepostinc.com/LPB.html
3. VSPE: the 32 bit version works well and I used it for years to share a rig port between the logging program (N1MM or DXLab) and panadaptor program (NaP3).
The 32 bit version is free, for the 64 bit version you must pay a $25 licensing fee. The 64 bit version may or may not work. No support!
http://www.eterlogic.com/Products.VSPE.html
4. GPSGate Client: by GPSGate (Australia). Designed for sharing com port with GPS device attached. Runs on 32 and 64 bit Windows 7. "GpsGate Splitter Express is free for both private and commercial use." Free download at https://gpsgate.com/purchase/gpsgate_client_licenses
==> DTR/ RTS does NOT WORK
https://www.fabulatech.com/serial-port-splitter.html
6. Eltima Serial Port Splitter: by Eltima. Runs on 32 and 64 bit versions of Windows 7 and has 15 day free trial. Price is $99.
==> Works OK, Expensive
