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Automate secure software licensing through WHMCS with license key generation, activation, validation, reissues, local keys, usage restrictions, and centralized license management.

Add secure email-based two-factor authentication to WHMCS for clients, users, and administrators with one-time passcodes, trusted devices, backup codes, brute-force protection, and customizable email templates.

Nebulix — Professional WHMCS Template for Web Hosting Businesses

TivroAdminPasskeys adds passkey login to your WHMCS admin panel. Support biometrics, hardware keys & PINs. Enforce passkey-only mode, set per-role permissions, and monitor activity via a built-in audit log

SnelStart Sync connects WHMCS with SnelStart through the CodeFromNowhere proxy, exporting WHMCS invoices to SnelStart and importing SnelStart payment and refund events back into WHMCS.

Turn your WHMCS into a domain wholesale provider

Accept credit card, Apple Pay and Google Pay payments through SumUp Hosted Checkout. Native integration for WHMCS 8.x and 9.x with automatic invoice payment recording and refund support.

Nebulix — Modern Web Hosting WHMCS Template with Custom Client Area

A lightweight WHMCS hook that automatically displays the nameservers assigned to a hosting service directly in the Client Area sidebar.

One module to sell and manage shared hosting: websites, email, DNS, FTP, databases, SSL automation and client-side control panel.

A lightweight WHMCS hook that adds a credit balance panel to client area homepage

Accept crypto with Sheepy.com gateway and convert crypto into EUR

Stop bots on your WHMCS install without slowing real users. Truform Captcha is a lightweight addon that protects client login, contact forms, registration, tickets, checkout, and admin login with server-side verification.

The most complete WHMCS provisioning module for HestiaCP. Full lifecycle automation, SSO, client widgets, and detailed logging.

Seamlessly integrate your favourite admin tools directly into your WHMCS dashboard

Accept crypto payments with Cryptonly - flat 0.5% fee.

Manage Blockchain RPC/WSS node endpoints directly from WHMCS

Replace WHMCS's plain email wrapper with a professionally branded HTML template. Choose from 4 built-in designs, customize with a live editor, add your logo, social links, footer links, and full RTL + 24-language support. Works with any WHMCS theme.

A modern, fully responsive WHMCS client theme with a powerful admin addon — color themes, font picker, drag-and-drop menu builder, homepage builder, RTL support, payment gateway icons, store pages, and more. No coding required.

Navio is a premium WHMCS theme and addon with flexible branding, responsive navigation, and a polished client experience.