Blink - Blink is a team and employee app, with a Feed, Chat and Hub (for documents, links, files).
Outro - A new take on retrospectives for progressive teams
Basecamp - A simple and elegant project management system.
Neatro - Neatro is the online Agile retrospective platform designed to help teams improve continuously.
G Desktop Suite - A cross platform desktop app for Google Suite.
Retroly - A fun simple tool for agile retrospectives