This document discusses various add-ons that can be used to enhance Google Forms. It describes Form Limiter, Choice Eliminator, and Form Values which allow limiting responses, eliminating answer choices, and storing regular response lists. It also mentions Doc Appender which appends question responses to Google Docs, enabling uses like anecdotal records when combined with Form Values. The document provides links to these add-on's support sites and a help video. It concludes by listing additional resources for Google Form templates, innovative uses, and add-on tutorials.