ArcChat.com is described as 'Live Chat software for small business'. There are more than 100 alternatives to ArcChat.com, not only websites but also apps for a variety of platforms, including Android, iPhone, Windows and Mac. The best alternative is tawk.to, which is free. Other great sites and apps similar to ArcChat.com are ProProfs Chat, HelpCrunch, Chatwoot and Intercom.
Intercom shows you who is using your product (the user's region, browser, local time etc.) and makes it easy to personally communicate with them through targeted, behavior-driven email and in-app messages.
Plerdy is a package of conversion rate optimization tools that are bundled in a single CRO platform. Today are available: Website Heatmap tools, Session recordings, SEO-checker, Popup and NPS builder, Conversion Funnels.