Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
Facebook Pages Manager - Learn how to manage your Facebook Page and discover all the available tools that give you control over your business Pages.
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
DrumUp - Content Marketing & Social Media Management Software
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.
eClincher - eClincher offers social media management tool for marketers, businesses, brands and agencies.