Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
TollFreeForwarding - TollFreeForwarding offers hosted PBX, call forwarding and IVR solutions.
Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
Loop Communications - Loop Communications provides hosted VoIP business phone systems to small businesses and mid-sized companies.
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.
Vonage - Vonage is a cloud-based all-in-one VoIP software solution designed for multiple industries such as accounting, healthcare, finance and marketing etc.