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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.

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 professionally branded HTML emails. 6 designs, 17 colour presets, a live appearance editor, dark mode, full table styling, 12 social platforms, RTL + 24 languages. 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.

Require email verification on every WHMCS client login. Time-limited 6-digit codes, 30-day bypass, per-client exemptions, built-in email template editor, and full admin controls — no IonCube Loader required.

Two-factor authentication for WHMCS clients and admins — TOTP, passkeys, and email code, with backup codes, forced 2FA with a grace period, brand-colour theming, and a full security audit log. No IonCube Loader required.

Automate TuringSign SSL certificate provisioning, management, and renewals inside WHMCS. Deliver lightning-fast, budget-friendly DV, OV, and EV SSLs to your clients completely hands-free.

Build custom role-based admin navigation, sidebar widgets, and live notification badges for your WHMCS admin area.

Six productivity enhancements for the WHMCS ticket interface - sort order control, signature hiding, duplicate detection, and more.