Mailbird is recommended for users who need to manage multiple email accounts, value a customizable and intuitive interface, and wish to integrate their email with other productivity tools. It is particularly suitable for small to medium-sized businesses, freelancers, and individuals looking for a streamlined email management solution.
MySQL - The world's most popular open source database
Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
SQLite - SQLite Home Page
eM Client - eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.