Where i can find this Assist Bot ?

Hello there

i am looking a assist bot to my website
i just founded 2,3 website wich have this assist bot

http://designify.me/inspiration/ikea-boosting-sales-with-a-bot/#.XDmpZs9Kj-Y

there is another germany website wich use the same bot

https://www.remarket.ch/verkaufen

this ist the bot.. i searching it 2 days but didnt found is there anyone to help me pls ?

thanks