What are some alternatives?
When comparing Parlor and Drift, you can also consider the following products
connected2.me - connected2.me lets people chat with you anonymously.
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
YouVoice Connect with someone - The YouVoice app offers 1 on 1 talks on different topics with strangers.
Zendesk Chat - Zendesk Chat (formerly Zopim) is the fastest way to engage your customers with live chat software.
Pokadot - Meet people with similar interests at cool experiences in SF
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