tawk.to - tawk.to is a free live chat app that lets you monitor and chat with visitors on your website or from a free customizable page

Neatro - Neatro is the online Agile retrospective platform designed to help teams improve continuously.

Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.

Metro Retro - For productive, engaging and fun retrospectives

LiveChat - LiveChat - premium live chat software. Approach customers directly on the website, make connections and drive more sales using LiveChat.

Retroly - A fun simple tool for agile retrospectives