Sellizer is a sales automation platform designed to streamline and enhance the sales process for businesses. It offers a range of features including automated email follow-ups, proposal tracking, and detailed analytics to help sales teams improve their efficiency and effectiveness. With Sellizer, users can track when and how proposals are opened, get insights into client interactions, and automate routine tasks to focus more on closing deals. The platform is particularly beneficial for both small businesses and larger enterprises looking to optimize their sales strategies.