Project5 - Secure Project Management
Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
Evadastudio - The web application that has all the tools that you need to accelerate your company under one roof.
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Wrike - Wrike is a flexible, scalable, and easy-to-use collaborative work management software that helps high-performance teams organize and accomplish their work. Try it now.
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.