Fenix Rise is a robust support ticketing system with FAQs, estimates, invoices and billing portal for WordPress. This app integrates WP-Billing with SuiteCRM in a stand-alone WordPress support site.
Other add-ons of interest
Analytic Reporting Tool Basic
Dynamic Reports and Interactive Charts.
Powerful tool for SuiteCRM report creation and data analytics. Includes a variety of chart types, detailed, summary and pivot tables. This Reporting Tool is for anyone, no need for technical knowledge or SQL. Comes with over a hundred prebuilt reports.
AppJetty - SuiteCRM Customer Portal for WordPress
Reduce operational costs and improve customer satisfaction by empowering customers to get online support, get their complaints addressed & access up-to-date transaction history.