LifeDigger - Evolving personal knowledge base
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
TheBrain - TheBrain: The Ultimate Digital Memory
LiveChat - LiveChat - premium live chat software. Approach customers directly on the website, make connections and drive more sales using LiveChat.
Boards - Create inspiration boards of files and notes.
Cliengo - Cliengo is a Chatbot platform that converts the website visitors into qualified leads.