The Bat! is an email program for Windows that protects the correspondence and empowers the users to handle large amounts of emails quickly and efficiently. Developed by RITLabs
License: Commercial
Evolution is an open-source email client that offers integrated calendar and task management features, making it ideal for users who need a full-fledged productivity suite. In contrast, The Bat is a lightweight and fast email client that excels in managing multiple email accounts but lacks built-in calendar functionalities.