Estill Voiceprint Plus is a real-time spectral analysis program that can display, record, and playback the voice.

This book explores the scientific foundation of the Estill Voice Model with basic anatomy & physiology for each Figure, translation of the Estill terminology for the artist & clinician, and significance for vocal living and performance.

This paper doll version of the larynx teaches laryngeal landmarks and physiology by "making and moving" it.

Estill Etudes is a collection of musical exercises to support and supplement practice of the Figures for Voice Control learned in the Estill Voice Training® Level One Course.