Feedbackify - Feedbackify offers website feedback solutions that enable companies to engage with their customers.
phpBB - Raspberry Pi. The Raspberry Pi is a cheap, credit-card sized computer. The official website uses phpBB for their discussion forums. phpBB is not affiliated with nor responsible for any of the sites listed on the showcase.
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
MyBB - MyBB is a discussion board software that runs on PHP and MySQL
Userlike - Userlike is free live chat software for website and mobile support.
GetSatisfaction - Get Satisfaction is the leading customer engagement platform that helps companies build better relationships with their customers and prospects, through the best online customer community.