Word Frequency Counter to count words and phrases
Daqarta - Sound Card Frequency Counter Screen Image
Hermetic Word Frequency Counter Advanced Version
LED frequency counter
Soundcard Audio Tools and Toys
Frequency Counter and Totalizer - YouTube
Word Frequency Counting software
Frequency Measurements Guide - How is Frequency Measured? - NI
Audio Frequency Counter - Apps on Google Play
GitHub - bjorng/avr-frequency-counter: Frequency counter software for an Atmel ATTiny84A micro-controller.
Arduino RF Frequency Counter with Prescaler - Share Project - PCBWay
Audio Frequency Counter:Amazon.com:Appstore for Android
Daqarta - Sound Card Frequency Counter Screen Image
RF Frequency Counter
53200 Series RF and Universal Frequency Counter / Timers | Keysight
Audio Frequency Counter:Amazon.com:Appstore for Android
A SIMPLE FREQUENCY METER
53210A - Power Meters + Sensors - Used Keysight Equipment
SS7406-Universal Frequency Counter/Timer/Analyzer
USB frequency counter
Transcendent Frequency Counter
SS7406-Universal Frequency Counter/Timer/Analyzer
LED frequency counter
