Yes, Sapling appears to be a legitimate company. It has received a rating of 4.2 out of 5 stars based on 387 reviews. Users have praised its user interface, onboarding process, and customer service. However, some users have reported integration issues. Sapling is an AI-driven writing assistant designed to help professionals compose more on-point messaging. It's part of the Kallidus Group, a full-suite Human Capital Management software and digital learning provider. Please note that it's always a good idea to do your own research when considering the use of a new service or product.