My Current Collection after 3.5 years.
EST:
270A-SPO
G1-CVM Chime/Strobe (Genesis)
System Sensor:
SCW
4W-B
SR
2151
P2W
Fire-Lite:
BG-12
Wheelock:
AH
Gentex:
Commander 2 Strobe
Commander 3 Horn/Strobe
Notifier:
SFP-2402
NBG-10L
Future Devices (Until the End of the Year):
EST:
SIGA-270
G1F-HDVM (Genesis Horn/Strobe)
SIGA-278
SIGA-PS
SIGA2-PS
iO-64
I know that most EST panels are very proprietary, however the IO-64 can be fully programmed from the front panel and I know the default passcodes.
Future Devices until Jan. 2022:
Triggered MP3 Player (For Speaker/Strobes)
System Sensor SPSWL
Notifier NBG-12LX (x2)
Notifier FSP-851
Notifier MMX-1
Notifier MMX-2
Notifier AFP-400
System Sensor SpectrAlert Classic
Simplex 4099-9003 (x2)
Simplex 4098-9714
Simplex 4098-9733
Simplex 4090-9001
Simplex 4090-9003
Simplex 4010