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For 15 years we have been creating marketplace and online sales systems that are fast, stable and reliable. We focus on the highest quality.

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Top quality addons for Multi-Vendor and CS-Cart

Multi-Vendor/CS-Cart add-ons are a great opportunity to extend the functionality of any marketplace or online store

Addons for Multi-Vendor

They can fulfill many additional functions in modern marketplace systems, ensure stable operation and high reliability and availability of the sales system.

CS-Cart addons

They fulfill several functions, but mainly they extend the range of functionalities, expand the possibilities of the sales program, make the customer more comfortable shopping

Integration with external systems

Integration with payments, warehouses, invoicing systems can be the key to the success of a marketplace platform or online store. Access to stock levels, automation of tasks, generation of accounting documents, fast data synchronization are the most important advantages of good sales systems.

Customer trust

Our customers trust us and know that we deliver the highest quality products. Each of our addons is thoroughly tested and checked so that it meets the highest standards of software production. We support our clients at every stage of implementation and provide technical assistance in case of any problems.

Creating addons for Multi-Vendor/CS-Cart

We specialize in the production of the highest quality additions, addons and extensions for Multi-Vendor and CS-Cart. Our add-ons are stable, flexible solutions with high parameters required in modern e-commerce systems. We cooperate with companies from all over the world, providing them with support and modern solutions, and our over 10 years of experience pays off in many fields of cooperation.

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18
Dark mode on the administration panel login screen
Contact us for a price

(Price without tax)
Extension for Store Builder and Multi-Vendor that decides how the administration panel looks before anyone logs in. The dark theme of the panel is a personal setting of each user, kept in their profile, so the login screen stays bright no matter what the rest of the panel does. The add-on supplies the missing value straight from the store configuration, with three variants to choose from: dark, light, or the theme configured in the operating system of the visitor. The setting also covers the password recovery and new password screens, and in Multi-Vendor it works the same way for the vendor panel.
ss_dark_admin_login
Add products on sale to your cart [PRPB]
750.00 PLN

(Price without tax)
(922.50 PLN inc tax for Polish only
- for abroad tax will be reduced
after providing the address)
Add to cart
Extension to Store Builder  and   Multi-Vendor introduces a new kind of promotion bonus that places a selected product in the customer's cart at a configurable promotional price, for example $1, $5 or any other amount instead of strictly zero. The shop gains a tool for "gift...
Payment methodOne-time payment
2026-03-01
1.1.1.2
ss_prom_prod_basket
Generate Intrastat declarations in INSTAT/XML format
3375.00 PLN

(Price without tax)
(4151.25 PLN inc tax for Polish only
- for abroad tax will be reduced
after providing the address)
Add to cart
An add-on for Store Builder  and  Multi-Vendor that prepares the monthly Intrastat declaration directly from shop orders. Once sales to other EU countries pass the national statistical threshold, the office expects a monthly return listing the goods, their commodity codes,...
Payment methodOne-time payment
2026-08-21
1.1.1.4
ss_intrastat
InPost Von Halsky (InPost Marketplace)
1750.00 PLN

(Price without tax)
(2152.50 PLN inc tax for Polish only
- for abroad tax will be reduced
after providing the address)
Add to cart
Extension for Store Builder  and  Multi-Vendor that connects the store catalog to the InPost Von Halsky shopping channel, the buying assistant that lives inside the InPost application. Customers browse and pay for products without ever opening the store website, and the...
Payment methodOne-time payment
2026-08-24
1.1.1.3
ss_inpost_buy
Removes selected products from a category directly in the product list
875.00 PLN

(Price without tax)
(1076.25 PLN inc tax for Polish only
- for abroad tax will be reduced
after providing the address)
Add to cart
Extension for Store Builder  and  Multi-Vendor lets you detach products from a category straight from the product list in the admin panel, without opening each item for editing. Stock CS-Cart changes product to category links only from the product side, so pulling a few dozen...
Payment methodOne-time payment
2026-08-12
1.1.1.6
ss_category_products
Fixed exchange rate
1125.00 PLN

(Price without tax)
(1383.75 PLN inc tax for Polish only
- for abroad tax will be reduced
after providing the address)
Add to cart
An extension for Store Builder and Multi-Vendor that freezes the secondary currency rate at the moment an order is placed and keeps the same amount visible for the whole life of the order. In a standard store, foreign currency values are recalculated on the fly at the current rate, so every rate change shifts the amounts on old orders, in emails and on invoices.
Payment methodOne-time payment
2026-06-16
1.1.1.1
ss_freeze_currency
Integration with Apilo
1375.00 PLN

(Price without tax)
(1691.25 PLN inc tax for Polish only
- for abroad tax will be reduced
after providing the address)
Add to cart
An extension for Store Builder and Multi-Vendor that connects your store with the Apilo platform and takes over the daily flow of orders. Instead of re-typing every order into your warehouse and invoicing, you let the store and Apilo talk to each other on their own.
2026-06-12
1.1.1.3
ss_apilo
GDPR extension - data retention
1875.00 PLN

(Price without tax)
(2306.25 PLN inc tax for Polish only
- for abroad tax will be reduced
after providing the address)
Add to cart
An extension for Store Builder and Multi-Vendor closes a GDPR compliance gap that is easy to forget. The built-in GDPR module in CS-Cart anonymizes data only for registered customers, while orders placed by guests, without creating an account, carry a full set of personal data: first name, last name, address, phone, and email.
Payment methodOne-time payment
2026-08-24
1.1.1.4
ss_gdpr_ext
Integration with Sellasist
1375.00 PLN

(Price without tax)
(1691.25 PLN inc tax for Polish only
- for abroad tax will be reduced
after providing the address)
Add to cart
An extension for Store Builder and Multi-Vendor , which connects your store with the SellAsist platform and keeps the catalog, orders, stock levels and invoices fully in sync in both directions. The store stays your sales channel, while order handling, the warehouse and invoicing run wherever it suits you, with no manual re-keying between systems.
Payment methodOne-time payment
2026-04-30
1.1.1.1
ss_sellasist
JSONLD, GEO structured data
1450.00 PLN

(Price without tax)
(1783.50 PLN inc tax for Polish only
- for abroad tax will be reduced
after providing the address)
Add to cart
An extension for Store Builder and Multi-Vendor that enriches your store with Schema.org structured data in JSON-LD format and builds an llms.txt file for AI bots. As a result, your store becomes readable both for Google (rich results and merchant listings) and for AI-powered search engines such as ChatGPT, Claude, Perplexity and Gemini.
Payment methodOne-time payment
2026-08-30
1.1.1.9
ss_jsonld
Message templates
875.00 PLN

(Price without tax)
(1076.25 PLN inc tax for Polish only
- for abroad tax will be reduced
after providing the address)
Add to cart
An add-on for Store Builder and Multi-Vendor that makes day-to-day customer support a lot easier. Instead of typing the same answers over and over in vendor communication, product discussions, and review replies, you pick a ready-made template from a dropdown and insert it with a single click.
Payment methodOne-time payment
2026-05-01
1.1.1.1
ss_mesg_template
Withdrawal from the contract
1450.00 PLN

(Price without tax)
(1783.50 PLN inc tax for Polish only
- for abroad tax will be reduced
after providing the address)
Add to cart
An extension for Store Builder and Multi-Vendor that lets buyers file a statement of withdrawal from a contract, also without an account, and lets the store handle it with notifications and history.
Payment methodOne-time payment
2026-08-06
1.1.1.3
ss_withdrawal
Integration with InPost Pay
1750.00 PLN

(Price without tax)
(2152.50 PLN inc tax for Polish only
- for abroad tax will be reduced
after providing the address)
Add to cart
Extension to Store Builder and Multi-Vendor connects your store with InPost Pay and shortens the path to purchase down to almost a single click. Instead of going through the full checkout, the customer taps the InPost Pay button on the product page or in the cart and finalizes the order comfortably in the InPost Mobile app. The cart, delivery details, and payment stay in sync both ways, so what the customer sees in the app always matches the cart in the store. The shop receives a complete order with full customer data and the chosen parcel locker or courier address, and your team can issue a refund directly from the order.
Payment methodOne-time payment
2026-06-24
1.1.1.7
ss_inpost_pay
More information on the shipment card
375.00 PLN

(Price without tax)
(461.25 PLN inc tax for Polish only
- for abroad tax will be reduced
after providing the address)
Add to cart
This addon for CS-Cart and Multi-Vendor enriches the order shipping tab with elements that can make managing shipments easier. We start by installing the addon: In case of multiple shipments for one order, the addon helps to manage them easier and faster. We go to shipments...
2024-03-29
1.1.1.1
ss_shipment_ext
Product prices in warehouses
875.00 PLN

(Price without tax)
(1076.25 PLN inc tax for Polish only
- for abroad tax will be reduced
after providing the address)
Add to cart
Extension to CS-Cart and Multi-Vendor (only ULTIMATE version or higher, where the warehouse module is available - warehouses), allows you to set product prices separately for each warehouse or collection point.
Payment methodOne-time payment
2026-03-01
1.1.1.2
ss_warehouses_price
Vendor administrator custom permission
625.00 PLN

(Price without tax)
(768.75 PLN inc tax for Polish only
- for abroad tax will be reduced
after providing the address)
Add to cart
The Multi-Vendor add-on allows you to fine-tune the rights for each vendor administrator. We start by installing the add-on: The option is enabled by default and allows defining rights: Using a simple list, we can add any rights to any controller, which can then be...
Payment methodOne-time payment
2026-02-23
1.1.1.1
ss_vendor_custom_perm
Shortcode - dynamic content replacement - pay monthly (subscription)
37.50 PLN /month

(Price without tax)
(46.15 PLN inc tax for Polish only
- for abroad tax will be reduced
after providing the address)
Add to cart
The add-on allows you to insert tags such as [block #117] into descriptions, which are converted into content from blocks when displayed on the frontend.
How to purchaseMonthly subscription Payment methodPay monthly (subscription)
2025-08-28
1.1.1.1
ss_content_replace_sub_1M
Blocking quantity discounts for users
625.00 PLN

(Price without tax)
(768.75 PLN inc tax for Polish only
- for abroad tax will be reduced
after providing the address)
Add to cart
This addon for Store Builder and Multi-Vendor allows you to block quantity discounts for a specific user in the system. We start by installing the addon: When editing a client in the administration panel, in the "Add-ons" tab, you can ENABLE the blocking of quantity discounts...
How to purchaseOne-time payment Payment methodOne-time payment
2024-12-31
1.1.1.1
ss_user_disable_qty
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