15Five - 15Five software elevates the performance and engagement of employees by consistently asking questions and starting the right conversations.
Mailman - Mailman is free software for managing electronic mail discussion and e-newsletter lists.
UltiPro - UltiPro is another HR application available to use on multiple platforms such as Android and iOS etc.
Mailman 3 - Dedicated Mailman 3 installation. Unlimited lists/configuration. Free subdomain at mailman3.com. Dedicated support for list admins.
Trakstar - Trakstar's Performance Appraisal software helps HR and your organization manage feedback, goals and reviews.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.