This document discusses top technology stacks for software development in 2021. It separates technology stacks into client-side (frontend) and server-side (backend) components. It then lists some of the leading stacks, including MEAN, MERN, MEVN, LAMP, and Serverless. The document notes that the choice of technology stack will influence the web application's development, behavior, scalability, and goals. It encourages readers to contact the software company Fingent if they have any other questions.