Sell & Protect Your Software with a Self-Hosted Licensing System
The complete, open-source licensing platform for PHP applications. Issue unlimited licenses, manage unlimited resellers, and protect your products across 17 control-panel platforms — cPanel, Plesk, CloudLinux, LiteSpeed, DirectAdmin & more — all from one install, with full source code, for a one-time payment.
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Works With Every Major Control Panel
Out-of-the-box support for 17 platforms — issue, verify, and revoke licenses for any of these systems from a single admin panel.
Everything You Need to License & Protect
A complete licensing toolkit — unlimited clients, unlimited resellers, full source code, real-time defense. No recurring fees, no per-license cost.
Unlimited Accounts & Licenses
No cap on the number of clients or licenses you issue.
Unlimited Resellers & Sub-panels
Build a full reseller tree under your main install.
API System (With Source Code)
Full REST API with PHP source for total automation.
WHMCS Reseller Module
Plug-and-play WHMCS module, full source included.
License Activation Files
Drop-in activation hooks for any PHP app.
Remote Real-Time Management
Block, suspend, revoke licenses instantly from your panel.
IP & Domain Restrictions
Bind licenses to IPs and (sub)domains.
Lifetime / Expiring / Feature-Limited
Three license models out of the box.
Auto License Generator
Instant activation the moment a payment lands.
Licenser Self-Defense
Real-time monitoring and nullroute protection.
Lifetime, Expiring & Feature-Limited
Three license models out of the box — sell lifetime licenses, time-expiring subscriptions, or feature-gated editions.
IP & Domain Binding
Bind each license to a specific IP address or (sub)domain. Block unauthorized moves automatically.
Automatic License Generator
Instant activation the moment a payment lands. Zero manual work, zero delay for your client.
Self-Defense & Nullroute Protection
Real-time monitoring of the licenser itself. Auto-blocks abuse, tampering, and nullroute attempts.
Multi-Language Notifications
Fully customizable email alerts in any language — expiring license, updates due, support contract ending.
From Purchase to Protected Product in 4 Steps
Buy & Download
Pay once. Get instant access to the ZIP — full PHP source, WHMCS module, API, and activation files.
Install on Your Server
Run the installer on any PHP 7.4+ host with MySQL. Setup takes under 10 minutes.
Add Activation Hook
Drop the activation file into your product. Configure re-verification interval (days/weeks/months).
Start Selling Licenses
Sell via WHMCS or your own API. Each client gets auto-verified, IP-bound, real-time protected.
One-Time Payment. Lifetime Use.
No subscriptions. No per-license fees. No hidden costs. Choose the tier that fits your business.
Single Site
1 site
- Full PHP source code
- WHMCS reseller module
- API system (with source)
- Activation files (with source)
- All 17 platforms supported
- Real-time defense & monitoring
- 1 year updates & support
- 1 site
5 Sites
5 sites
- Full PHP source code
- WHMCS reseller module
- API system (with source)
- Activation files (with source)
- All 17 platforms supported
- Real-time defense & monitoring
- 1 year updates & support
- 5 sites
Unlimited
Unlimited sites
- Full PHP source code
- WHMCS reseller module
- API system (with source)
- Activation files (with source)
- All 17 platforms supported
- Real-time defense & monitoring
- 1 year updates & support
- Unlimited sites
Secure checkout via PayPal / Stripe · Instant ZIP download · Optional annual renewal for updates
Frequently Asked Questions
You receive the complete GB Licenses system as a downloadable ZIP — PHP source code, WHMCS reseller module (with source), API system (with source), license activation files (with source), demo scripts, and 1 year of updates & support.
One-time payment. You own the system for life and can host it on your own server. Updates and support are included for 1 year; after that you can renew optionally.
Your clients install a tiny PHP hook (provided) in their application. On first run it pings your licensing server, validates the IP/domain, and unlocks the product. Re-verification happens automatically every X days you configure.
Yes. The WHMCS reseller module (full source included) lets you create unlimited resellers and sub-panels. Resellers can issue, suspend, and revoke licenses from their own WHMCS install.
Yes. The full REST API (with source) lets you integrate licensing into any custom billing system, dashboard, or checkout flow you already use.
CloudLinux, cPanel (VPS & Dedicated), Plesk (VPS & Dedicated), Imunify360, JetBackup, KernelCare, LiteSpeed (2W/4W/8W), SitePad, Softaculous, Virtualizor, WHMReseller, WHMSonic, DirectAdmin, cPnginx, and FleetSSL — 17 platforms in total.
Instant. As soon as your payment is confirmed (PayPal/Stripe = automatic, manual = within minutes), a secure download link is generated and emailed to you. The link is valid for 72 hours and allows up to 5 downloads.
Yes — contact us for a live demo of the admin panel, reseller panel, and the client-facing license verification flow.
Ready to License & Protect Your Software?
Join thousands of developers and businesses using GB Licenses to sell and protect their PHP products. One-time payment. Lifetime use. Full source.