nikosdmsi

DMSI DDLS – Digital Downloads, Licensing & Subscriptions (DDLS) is a comprehensive solution for software vendors, digital product sellers, and subscription-based businesses who need to manage licenses, subscriptions, and digital downloads through WooCommerce.
<h4>Why Choose DDLS?</h4>
Unlike expensive alternatives that cost $500-700/year, DDLS provides enterprise-grade licensing features completely free. Built specifically for WordPress and WooCommerce, it integrates seamlessly with your existing store.
<h4>Core Features</h4>
License Management
<ul>
<li>Generate unique license keys automatically on purchase</li>
<li>Set activation limits per license (unlimited or fixed number)</li>
<li>Track activations with detailed site information</li>
<li>License expiration with automatic notifications</li>
<li>License status management (active, expired, suspended, revoked)</li>
<li>Transfer licenses between customers (with admin approval)</li>
<li>Bulk actions (activate, suspend, delete)</li>
</ul>
Subscription Management
<ul>
<li>Custom subscription system (no WooCommerce Subscriptions required)</li>
<li>Subscription tracking and status management</li>
<li>Manual renewal order creation</li>
<li>Grace periods for expired subscriptions</li>
<li>Admin notifications for renewals due</li>
</ul>
Digital Downloads
<ul>
<li>Secure file delivery with signed URLs</li>
<li>Version management for software products</li>
<li>Multiple files per product version</li>
<li>Platform-specific downloads (Windows, Mac, Linux)</li>
<li>Download tracking and logging</li>
<li>Access control based on license status</li>
</ul>
Customer Portal
<ul>
<li>Self-service license management</li>
<li>View and download purchased products</li>
<li>Deactivate sites from the portal</li>
<li>View subscription status</li>
<li>Download history</li>
<li>Account settings</li>
</ul>
Email Notifications
<ul>
<li>30+ email templates</li>
<li>Customer and admin notifications</li>
<li>License lifecycle emails (created, activated, expiring, expired)</li>
<li>Subscription status emails</li>
<li>Email queue with retry logic</li>
<li>Email logs</li>
</ul>
REST API
<ul>
<li>License validation endpoint</li>
<li>Activation and deactivation endpoints</li>
<li>Download endpoints</li>
<li>Secure API key authentication</li>
<li>Rate limiting protection</li>
</ul>
Admin Dashboard
<ul>
<li>Overview widgets with key metrics</li>
<li>License status summary</li>
<li>Recent activity feed</li>
<li>Quick actions for common tasks</li>
</ul>
Reports
<ul>
<li>License reports</li>
<li>Customer reports</li>
<li>Basic analytics</li>
<li>Export capabilities</li>
</ul>
Security
<ul>
<li>4 user roles with granular permissions</li>
<li>API key authentication</li>
<li>Audit logging</li>
<li>GDPR compliance tools</li>
</ul>
Bundle Products
<ul>
<li>Group multiple DDLS products into a single purchasable SKU</li>
<li>One parent license + one child license per bundled product generated on purchase</li>
<li>One subscription covers the entire bundle — one renewal, one email</li>
<li>Child licenses inherit each product’s own activation limit and duration</li>
<li>Customer portal shows child licenses grouped under the bundle with “Managed by” labels</li>
<li>Renewal extends all child licenses atomically in a single transaction</li>
<li>Bundle badge in DDLS Products list shows child product count</li>
</ul>
<h4>Premium Extensions</h4>
Extend DDLS functionality with optional premium extensions, available at <a href="https://dmsi.gr/" rel="nofollow ugc">dmsi.gr</a>:
<ul>
<li><a href="https://dmsi.gr/dmsi-update-server/" rel="nofollow ugc">Update Server</a> – Automatic plugin/theme updates</li>
<li><a href="https://dmsi.gr/dmsi-subscriptions-pro/" rel="nofollow ugc">Subscriptions Pro</a> – Automatic renewals, payment retry, dunning</li>
<li><a href="https://dmsi.gr/dmsi-analytics/" rel="nofollow ugc">Analytics Pro</a> – Advanced revenue analytics and reporting</li>
<li><a href="https://dmsi.gr/dmsi-webhooks/" rel="nofollow ugc">Webhooks</a> – Outbound event notifications</li>
<li><a href="https://dmsi.gr/dmsi-support-desk/" rel="nofollow ugc">Support Desk</a> – Customer support ticketing</li>
<li><a href="https://dmsi.gr/dmsi-team-management/" rel="nofollow ugc">Team Management</a> – Multi-user license management</li>
<li><a href="https://dmsi.gr/dmsi-advanced-api/" rel="nofollow ugc">Advanced API</a> – Enterprise REST and GraphQL APIs</li>
<li><a href="https://dmsi.gr/dmsi-service-management/" rel="nofollow ugc">Service Management</a> – Service contracts and SLA tracking</li>
</ul>
<h4>Perfect For</h4>
<ul>
<li>Software developers selling plugins, themes, or desktop applications</li>
<li>Digital product sellers needing license control and secure downloads</li>
<li>Subscription-based businesses with recurring billing needs</li>
<li>Agencies managing client licenses and software access</li>
<li>E-book, course, or media creators with download access control</li>
<li>Anyone selling digital products through WooCommerce</li>
</ul>
<h4>Requirements</h4>
<ul>
<li>WordPress 6.0 or higher</li>
<li>WooCommerce 7.0 or higher</li>
<li>PHP 8.0 or higher</li>
<li>MySQL 5.7 or higher</li>
</ul>
<h4>Documentation</h4>
Comprehensive documentation is available at <a href="https://dmsi.gr/docs/ddls/" rel="nofollow ugc">dmsi.gr/docs/ddls/</a>
<h4>Support</h4>
For support questions, please visit <a href="https://dmsi.gr/support/get-help/" rel="nofollow ugc">dmsi.gr/support/</a>
<h3>Privacy Policy</h3>
DMSI Digital Downloads, Licensing & Subscriptions stores the following data:
<ul>
<li>Customer information (name, email) linked to WooCommerce orders</li>
<li>License keys and activation records</li>
<li>Site URLs where licenses are activated</li>
<li>Download logs for security auditing</li>
<li>Email logs for delivery tracking</li>
</ul>
This data is stored in your WordPress database and is not transmitted to external servers except when customers activate licenses (their site URL is recorded).
For GDPR compliance, customers can request data export or deletion through the Customer Portal or WordPress privacy tools.

DMSI DDLS – Digital Downloads, Licensing & Subscriptions

Complete software licensing, subscription management, and digital product delivery for WooCommerce.

Mehedi Hasan

Sultan Nasir Uddin

PluginEver

<h4>Comprehensive Solution for Selling Digital Products and Content with WooCommerce</h4>
<a href="https://pluginever.com/plugins/woocommerce-serial-numbers-pro/?utm_source=product-page-wordpress.org&utm_medium=product-page-wordpress.org&utm_campaign=product-page-wordpress.org" rel="nofollow ugc">Serial Numbers</a> is a powerful WordPress license manager plugin created for WooCommerce store owners. Sell keys, manage licenses, assign serial keys to products, and keep track of customer activations, all without leaving the WooCommerce dashboard.
WooCommerce is an excellent eCommerce platform, but lacks key features for selling digital products. Serial Numbers plugin bridges this gap by seamlessly integrating all the necessary functionalities. Transform your WooCommerce store into a complete digital marketplace by incorporating license management, secured and authorized distribution.
<h3>👨‍💻 This Plugin is Ideal for:</h3>
<ul>
<li>Content Creators</li>
<li>Developers and Digital Agencies</li>
<li>Event Organizers</li>
<li>License Key/Product Key Resellers</li>
<li>Any Kind of Digital Product Sellers</li>
</ul>
<h3>💵 With Serial Numbers You Can Sell:</h3>
<ul>
<li>Digital Assets (Themes, Plugins, Digital Arts, Photos, Videos, Music, NFTs, Templates)</li>
<li>Digital Tools (Software, Apps, Games, Mockup)</li>
<li>Digital Entries (Event Tickets, Entry Pass for Conferences, or Workshops)</li>
<li>Digital Gifts (Gift Cards, Lottery, and Secret Number-based Products)</li>
<li>Custom Activation Codes, License Keys, Secret Codes, Usernames & Passwords</li>
<li>Online Courses & Professional Services (Tutorials, Coaching, Consultations)</li>
<li>eBooks and Audiobooks</li>
<li>And many more.</li>
</ul>
Despite being the ultimate license manager for WooCommerce, Serial Numbers is versatile when it comes to use cases. For authenticating your physical products, private label them, or stop the spread of counterfeits, you can apply this technology to any tangible products.
<a href="https://demo.pluginever.com/serial-numbers" rel="nofollow ugc">💻 Live Demo Site</a> | <a href="https://pluginever.com/docs/woocommerce-serial-numbers" rel="nofollow ugc">📄 Plugin Documentation</a> | <a href="https://pluginever.com/plugins/woocommerce-serial-numbers-pro" rel="nofollow ugc">🛒 Upgrade to PRO</a>
<h3>✨ How You can benefit from using Serial Numbers for your businesses:</h3>
<ul>
<li>
Generate Fast Revenue: Stop worrying about the licensing management system and put all of your energy into creating and improving your products.
</li>
<li>
Self-Hosted, No Platform Fees: This allows you comprehensive control over the selling process. You are not required to pay a percentage of your earnings to the platform regardless of how many digital products you sell.
</li>
<li>
Streamlined Order Fulfilment: Automate the delivery process by generating and sending keys to customers after successful payment. This eliminates the need for manual intervention, saves time, and reduces errors.
</li>
<li>
Customizable and Scalable: Customize the format and appearance of keys to align with your brand. Additionally, the plugin is scalable and can handle a large volume of orders, ensuring smooth operations even during peak periods.
</li>
<li>
Increased Customer Satisfaction: Instant delivery of keys after purchase enhances the customer experience. Customers can immediately access and activate their products, resulting in higher satisfaction and reduced support requests.
</li>
<li>
Prevent Counterfeiting and Piracy: The plugin is capable of avoiding piracy and fraud. It’s a safety net since WooCommerce store owners can verify the product is authentic and hasn’t been tampered with. Those who have bought a product online can check to see if it is a legitimate copy or a fake.
</li>
</ul>
<h3>✨ Serial Numbers Features:</h3>
<ul>
<li>
Add Keys Manually: You can manually enter as many keys as you wish, or you can use our powerful built-in bulk importer to do the work for you.
</li>
<li>
Deliver Keys Automatically: You have the option to auto-complete any order to send and show keys to your customer’s order details page after successful payment. This ensures a seamless and hassle-free purchase experience for your customers.
</li>
<li>
Detailed Reporting: The plugin provides comprehensive reporting and logging features, allowing you to track the usage and activation of the keys. This helps you monitor and analyze the performance of your products.
</li>
<li>
Self-service: Customers can manage their license keys and downloads for all of their associated orders at any time by logging into their accounts on the “My Account” page of your store.
</li>
<li>
License Key Encryption: To guarantee your security, the keys kept in the database are encrypted. With this plugin, you may avoid headaches and second thoughts by knowing that your license keys are secure.
</li>
<li>
Key Generator (PRO): You can control how your keys will be generated. Using the built-in license generator, you can customize your key interface rule to generate keys. The generator will allow you to generate both sequential and random keys.
</li>
<li>
Automatically Generate Keys (PRO): You can use the automatic key generation rule for a license-enabled product; our plugin will automatically generate and deliver a key to the customers whenever they purchase that product.
</li>
<li>
Flexible Activation Options: You can choose to require customers to activate their keys before accessing or using your digital products. This allows you to control access and prevent unauthorized usage.
</li>
<li>
API Form for Validation, Activation, Deactivation: Serial Numbers includes a built-in license key validator API form to validate, activate, and deactivate keys without any complexity. You can also show an API form for your customers anywhere on your website using our predefined shortcode for the form. 
You can also use different methods that allow you to validate, activate, and deactivate license keys, as well as access the software’s current version number using HTTP requests.
</li>
<li>
Reuse Keys: When a sold key is refunded or an order fails, activating this option allows you to reuse the refunded or failed keys. You don’t have to be concerned about which keys are refunded or failed.
</li>
<li>
Revoke Keys: When an order is canceled or reimbursed, the key can be revoked. The key will be invalidated if the order is canceled or refunded.
</li>
<li>
Simple Product Support: Create and assign keys for simple products. You can sell keys for any of your products that fall into the group of “simple products.”
</li>
<li>
Variable Product Support (PRO): This functionality allows you to generate and assign keys for product variations of your variable products. As a result, it avoids the issue of selling license-enabled variable products.
</li>
<li>
Backorder Support (PRO): You can sell keys even when the product is out of stock, and you can assign keys to orders with a single click when they become available.
</li>
<li>
Support for Expiry Dates: For products that require time-limited access or subscription-based licensing, this plugin allows you to set expiry dates for keys. This ensures that customers cannot use the keys beyond the specified period.
</li>
<li>
Bulk Import (PRO): You may use our bulk import license to update the serial key table with pre-existing or new keys. The bulk importer accepts CSV and TXT files. CSV importer works when you import several items at once, whereas TXT works when you import a single product with many product keys.
</li>
<li>
Bulk Export (PRO):You can export specific orders by entering Order IDs. You will be able to export keys from products based on their status, such as Available, Sold, Refunded, etc. You will also have options to export from fields such as product ID and activation limit.
</li>
<li>
Keys For Older Orders: Keys can be added to previous orders by simply assigning them, and activation settings can be applied if necessary. This will assist in delivering instant updates to existing customers.
</li>
<li>
Assign Keys Manually (PRO): You can stop assigning keys automatically with the orders, and you can assign them manually. This way, you can control the key delivery system on your own when you have to assign it manually.
</li>
<li>
Automated Email Delivery: You can automatically send an email containing the assigned key to the customer after a successful purchase. This eliminates the need for manual key distribution and ensures a smooth customer experience.
</li>
<li>
Twilio SMS (PRO): Your keys can be automatically sent to your customers via SMS, courtesy of the amazing Twilio API. No more dependency on emails and no more delayed responses! Your customers will receive instant notifications with their product keys as soon as they make a purchase.
</li>
<li>
Allow Duplicate Keys (PRO): You can add and sell duplicate keys depending on your use case. This will allow you to sell the same keys with different orders from the key database.
</li>
<li>
Translation (PRO): You can translate the notification texts and warning labels as you wish. This gives you the freedom to communicate and guide your customers to proceed with operating their orders in your direction.
</li>
<li>
License Key Stock Notification: You can enable this option to receive an email notification when your stock is about to expire. You must configure your stock limit so that you receive notifications anytime a product drops below that quantity.
</li>
<li>
Order Table Key Properties (PRO): When an order is completed, your customer will receive a key both on the order page and via mail. The order details page and email both include a table with the keys and other required data. You can decide which key fields to display and you can edit each field from the order table settings menu.
</li>
<li>
Powered by WooCommerce: Enjoy the power of WooCommerce to use any payment gateway and manage orders natively. There’s no need for third-party plugins, making it a seamless addition to your WooCommerce ecosystem.
</li>
<li>
Useful Integrations: Enjoy compatibility with popular plugins like WPML for multilingual support, PDF Invoice & Packing Slips for easy documentation, and multivendor sites. This plugin is designed to integrate smoothly with a wide variety of tools and platforms to enhance your store experience.
</li>
<li>
REST API: You’ll be able to operate a set of standard rules and conventions for communicating with other web-based applications and services. REST API treats everything as a resource, including a WooCommerce product. License keys are managed as resources and are accessed through endpoints that are also resources.
</li>
</ul>
<blockquote>
Maximize the potential of WC Serial Numbers plugin by unlocking all its advanced features. <a href="https://pluginever.com/plugins/woocommerce-serial-numbers-pro" rel="nofollow ugc">Get The PRO Version.</a>
</blockquote>
<h3>⚡ More Upcoming Features:</h3>
We are constantly improving our plugin and bringing new enhancements for your connivance. We’re currently working on some exclusive features and will release them periodically. Have a look at what’s in our pipeline.
<ul>
<li>
Subscription Support: You’ll have the option to sell your subscription products with the WooCommerce subscription feature. It will give you all the features and functionalities to sell keys by managing subscriptions efficiently.
</li>
<li>
Fast Checkout: You’ll have the option to let your customers go through a fast checkout process if they only add digital products to their cart. With this option, customers won’t have to worry about filling out fields they don’t need to.
</li>
<li>
Custom Emails: You’ll have the full option to take control over sending emails to your customers. You’ll have options to disable sending emails and also you can send custom emails instead of sending default emails sent via WooCommerce itself.
</li>
<li>
Key Placements: You’ll have the option to display keys for your customers depending on your preferences. On that note, you don’t have to stick with the default key placements by the plugin. You can also choose file formats for showing your keys.
</li>
<li>
Barcode Integration: You’ll have the option to create fully functional barcodes as you know that a barcode is a visual representation of the ‘serial number’ that is located beneath it. You can input product-related data or information using available formats of barcodes.
</li>
<li>
Custom Field: You’ll have the option to add custom fields to the key generation form. This will allow you to add more information about the serial keys you are selling.
</li>
</ul>
<h3>💚 Why Creators and Digital Product Sellers Love Serial Numbers:</h3>
<ul>
<li>
Comprehensive Features: Serial Numbers plugin provides extensive functionality for generating serial numbers and managing licenses for your WooCommerce products. This license manager plugin is a powerhouse on its own, with features like auto-generating unique keys, integration with the REST API, and so on.
</li>
<li>
Regular Updates: The plugin is constantly being improved, and we make those improvements available to our customers at no extra cost. We release updates to ensure compatibility with WooCommerce as well as the latest version of PHP.
</li>
<li>
Fast and Friendly Support: The constant availability of our help desk and positive feedback on the reviews page for the plugin says a lot. We’re constantly working on new innovative features to give you more power. Whether you have a question or want to request a new feature, we’re just a quick message away.
<ul>
<li><a href="https://wordpress.org/support/plugin/wc-serial-numbers/" rel="ugc">Free support (forum)</a></li>
<li><a href="https://pluginever.com/support/" rel="nofollow ugc">Premium & pre-sales support (email)</a></li>
</ul>
</li>
</ul>
<h3>💝 User Reviews and Testimonials:</h3>
Serial Numbers is helping tens of thousands of store owners sell and manage keys, and they just love it! See all the 5-star reviews from our users <a href="https://wordpress.org/support/plugin/wc-serial-numbers/reviews/" rel="ugc">here</a>.
<h3>💢 Supercharge Your Store with Our Other WooCommerce Plugins:</h3>
<ul>
<li><a href="https://wordpress.org/plugins/wc-min-max-quantities" title="Min Max Quantities for WooCommerce" rel="ugc">Min Max Quantities for WooCommerce</a></li>
<li><a href="https://wordpress.org/plugins/woo-category-slider-by-pluginever" title="Product Category Slider for WooCommerce" rel="ugc">Product Category Slider for WooCommerce</a></li>
<li><a href="https://wordpress.org/plugins/wc-category-showcase" title="Product Category Showcase for WooCommerce" rel="ugc">Product Category Showcase for WooCommerce</a></li>
<li><a href="https://wordpress.org/plugins/wc-variation-swatches" title="Product Variation Swatches for WooCommerce" rel="ugc">Product Variation Swatches for WooCommerce</a></li>
</ul>
Visit <a href="https://pluginever.com" rel="nofollow ugc">PluginEver</a> to learn from our WooCommerce tutorials and find out about other <a href="https://pluginever.com/plugins" rel="nofollow ugc">WooCommerce plugins</a>.

Serial Numbers – Ultimate License Manager for Selling, Licensing & Securely Delivering Digital Content with WooCommerce


As a digital product creator and WooCommerce enthusiast, I have found the WC Serial Numbers plugin to be an invaluable addition to my toolkit. This plugin has revolutionized the way I sell, license, and securely deliver digital content through my WordPress website.


WC Serial Numbers: A Powerful Tool for Digital Content Management and Security

An easy way to sell digital products and manage licenses with WooCommerce.

DMSI DDLS – Digital Downloads, Licensing & Subscriptions vs Serial Numbers – Ultimate License Manager for Selling, Licensing & Securely Delivering Digital Content with WooCommerce