diff --git a/README.md b/README.md
index 060638c..403b598 100644
--- a/README.md
+++ b/README.md
@@ -58,6 +58,58 @@ https://pypi.org/project/RPi.GPIO/
 * Various libraries.
 
 
+# Applications
+At present, there are only small test scripts to move.
+
+Ideally, it integrates with other applications.
+There are many possible targets:
+
+* INDI via Raspberry Pi GPIO.
+https://github.com/indilib/indi-3rdparty/tree/master/indi-rpi-gpio
+https://www.indilib.org/raspberry-pi/raspberry-pi-gpio-control.html
+
+* Hamlib.
+https://github.com/hamlib/hamlib
+
+* OBS Studio with obs-ptz.
+https://github.com/glikely/obs-ptz
+https://obsproject.com/forum/resources/ptz-controls.1284/
+
+* OpenCV.
+
+
+There are also other protocols used in other cameras that could be
+implemented (such as obs-ptz uses) as a software daemon.
+
+* VISCA UDP.
+
+* VISCA TCP.
+
+* ONVIF.
+
+Other:
+
+* Custom web API.
+
+
+Hardware protocols:
+
+https://github.com/RogerHardiman/node-ptz-decoder
+
+* Pelco D.
+* Pelco P.
+* BBV422.
+* Bosch(Philips PCSS)
+* Forward Vision
+* VCL
+* Vicon
+* American Dynamics (Sensormatic)
+* JVC
+* Panasonic
+* Samsung
+* Sony VISCA CCTV
+
+
 # Pins
 Not all cables have the same color pin out. In fact, most have different
 pinouts, so each cable should be tested.