Joker.com maintains a registrar module for WHMCS, which offers a great load of features to interface Joker.com seamlessly from within WHMCS.
KBWEBSOL Registrar Module
Domain registrar module
This module allows WHMCS to interface with NameSilo’s API to provide Registration, Transfer, Renewal, EPP Authcodes, DNS management and domain updates to be processed in real-time.
The DOT NG (Nigeria ccTLD) Domain Reseller WHMCS Module provides domain registrars and domain resellers with a FREE domain registrar module
Register any domain names extensions with one single registrar module.
Allows your customers to purchase a domain of their own choice.
Integrate Amazon Rout53 domain registrar with this module in your WHMCS.
Allow your customers to buy .mk extension domains with our Marnet domain registrar WHMCS module.
15+ VPS plans! Blazing-fast performance, easy-to-use VPS manager, ready-to-go images and reliable infrastructure.
Official Flexacore Telecom Domain Registrar Module For WHMCS
DomainsBot is the name spinner of choice for some of the largest, most successful Registrars and Hosters in the world. The only fully GDPR-compliant service fully focused on helping you sell more domains and grow your business.
..gr Domains registration made easy
Resell Domains via MyServerPlanet.com using our Registrar Module
Import your domains from DonDominio/MrDomain, perform mass changes to them, use our WHOIS Proxy, add and configure TLDs, automatically update prices and domain status, and more.
Automate the provisioning and management of CARNET .hr domains.
Automate the provisioning and management of CIRA.ca domains.
A .fi registry module for WHMCS using the Ficora EPP API
DNS Gateway Module To Register Domains Easily - Premium Supported