Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
15Five - 15Five software elevates the performance and engagement of employees by consistently asking questions and starting the right conversations.
Mailbird - Mailbird is the best email client for Windows 7, 8 and 10
UltiPro - UltiPro is another HR application available to use on multiple platforms such as Android and iOS etc.
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Trakstar - Trakstar's Performance Appraisal software helps HR and your organization manage feedback, goals and reviews.