MemberPress Help Scout GPL Overview:

Help Scout is the customer service your website needs. With Help Scout, you can add your members’ membership information directly into Help Scout tickets. Even add links to view subscriptions and transactions, and to cancel and/or refund.

Help Scout features a comprehensive knowledge base interface and real-time chat that give customers the help they need right when they need it. Robust reporting, a host of developer tools, and 50 integrations keep your workflow efficient and familiar.