Polymail is an email application for OS X and iOS known for its clean interface and additional features atop the Gmail platform. Developed by Polymail, Inc.
License: Freemium
OpenProject is a powerful project management tool designed for teams that require extensive project tracking and collaboration features, making it ideal for software development and other complex projects. Meanwhile, Polymail is an email client that enhances email productivity, making it better suited for professionals who manage large volumes of communication and require integration with email workflows.