Teambit - Teambit is a team engagement and performance platform, that makes feedback a daily habit.
UltiPro - UltiPro is another HR application available to use on multiple platforms such as Android and iOS etc.
Lattice Feedback - Give co-workers feedback in the moment
UserCrowd - UserCrowd helps you to collect feedback and ideas from your users.
Manager Score - Benchmark your manager skills & get advice to improve
Loop11 - A powerful tool which enables user testing on prototypes, wireframes and websites.