Nucleus selected 10 companies to watch in 2021 that are top performers who will continue to show exceptional performance into the future. As either leaders or strong challengers in their respective markets, Nucleus has assessed the ability of the vendors featured in this research note to execute on their strategies and continue their current momentum. With some of the featured organizations, Nucleus is optimistic for product areas that are either maturing well or strengthening an established lead. In every case, we see the roadmap and product developments moving forward as aligned with the goal of providing value to customers.