Our team created 150+ addons, original and useful Multi-Vendor and Store Builder addons. Since

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Our team created 150+ addons, original and useful Multi-Vendor and Store Builder addons. Since 2010, when SoftSolid became Multi-Vendor and CS-Cart official developer, we deliver you professional solutions for e-commerce projects. The highest quality of our projects is confirmed by dozens of satisfied customers. We always try to make our addons intuitive and user-friendly and skilled programmers in our team can create almost every addon that you may need. Contact us and we will definitely find the optimal solution for your Multi-Vendor or Store Builder program.

Our offer

  • Development addons
  • Creating addons according to customer specification
  • Integrations via API with other services
  • Migration to Multi-Vendor/Store Builder from other platform

Our advantages

  • Customers are satisfied with our services
  • Our add-ons work with clients from all over the world
  • 100+ reviews with a rating of 5 on the marketplace
  • 150+ addons with high ratings from customers

Don't hesitate to write to us if you have any questions

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In this category, you'll find a variety of useful extensions that help enhance functionality, optimize performance, improve user experience, advance the design. From integrations with payment systems to marketing tools, our add-ons allow you to easily tailor your store to your needs.

Integration with Baselinker
5.0 (18)
$299.00
Addon to CS-Cart and Multi-Vendor allows integration with Baselinker system. Add-on fully integrates CS-Cart/Multi-Vendor ensuring data exchange about orders and products.
Make purchases for 200$ from our entire offer and get 20% discount
Promotions - discount on products of vendors
5.0 (11)
$275.00
Extenstion to Multi-Vendor, Multi-Vendor Plus and Multi-Vendor Ultimate allows creating promotions with vendor conditions. Add-on also allows vendors to create their own promotions.
Make purchases for 200$ from our entire offer and get 20% discount.
Integration with translation service Deepl.com
5.0 (8)
$39.80
Extension to CS-Cart and Multi-Vendor allows auto-translating description in products, using Deepl.com. 

Make purchases for 200$ from our entire offer and get 20% discount
Promotion only for products of a specific category
5.0 (7)
$175.00
Addon to CS-Cart and Multi-Vendor allows you to give discounts on products in a particular category.
The addon is available in the following language versions: Polish, English, German, Greek, Romanian, Spanish, Italian, Russian and Chinese.
If you're looking to buy this add-on in subscription form, is it available here: Subscription add-on
Make purchases for 200$ from our entire offer and get 20% discount
Restrict amount of product images
5.0 (7)
$125.00
Addon to CS-Cart and Multi-Vendor allows you to limit amount of images that can be attached to products and their descriptions by vendors (in all Multi-Vendor versions) or store admins (in all CS-Cart versions).Make purchases for 200$ from our entire offer and get 20% discount
Insert custom code into store
5.0 (6)
$175.00
Addon to CS-Cart and Multi-Vendor allows adding html of js code to store. In case of multiple storefronts, code can be placed separately for each store.If you're looking to buy this add-on as one time purchase or take a look into add-on reviews, they are available here: One-time purchase add-onSee the full list of our subscription-based add-ons: Full list of subscription add-ons
Blocking tabs and parts of page editing
5.0 (6)
$175.00
Addon to CS-Cart and Multi-Vendor allows blocking vendors (in Multi-Vendor version) and storefronts administrators (in Ultimate version) access to certain parts of panel.
Make purchases for 200$ from our entire offer and get 20% discount
Display history of product price changes (Omnibus directive)
5.0 (6)
$275.00
Extension to CS-Cart and Multi-Vendor allows displaying history of price changes, as stated in Omnibus directive. All changes of product base price are registered in database, and customers can see them using special button on product card.
Make purchases for 200$ from our entire offer and get 20% discount
Integration with InPost by ShipX
5.0 (5)
$249.00
Extension to CS-Cart and Multi-Vendor integrates your store with InPost system through protocol ShipX. Add-on supports Paczkomaty 24/7 and other pickup points, and also InPost CourierMake purchases for 200$ from our entire offer and get 20% discount
InvoiceOcean
5.0 (5)
$249.00
Extension to CS-Cart and Multi-Vendor allows you to make invoices directly from orders using InvoiceOcean service.Make purchases for 200$ from our entire offer and get 20% discount
Integration with Przelewy24
5.0 (5)
$120.00
Extension to CS-Cart and Multi-Vendor allows integrating store with Polish internet payments providers Przelewy24. Przelewy24 offer wide range of payment methods covering almost 100% of the Polish market. Besides traditional payment channels, like bank transfer and credit cards, it is possible to pay through PayPal. Make purchases for 200$ from our entire offer and get 20% discount
Filter vendors list by specific criteria
5.0 (5)
$399.00
Addon to Multi-Vendor, Multi-Vendor PLUS, Multi-Vendor Ultimate allows creating filters for vendors. This way, we can create any filters which make searching for certain vendor easier.Make purchases for 200$ from our entire offer and get 20% discount
Features in categories
5.0 (4)
$175.00
Addon to CS-Cart and Multi-Vendor allows you to set product features on categories.
Make purchases for 200$ from our entire offer and get 20% discount
Sales in measures of fractional
5.0 (4)
$349.00
Addon to CS-Cart and Multi-Vendor allows you to sell products by meters, weight, packages that contain non-integer amount of product.
Make purchases for 200$ from our entire offer and get 20% discount!
Let vendors define their password during registration
5.0 (4)
$90.00
Addon to Multi-Vendor, Multi-Vendor PLUS, Multi-Vendor Ultimate allows vendor to set up his own password to administration panel. When requesting an account in Marketplace, vendor in special field (added earlier by admin in section "Profile fields") types password to his account.
Generate simple sales reports
5.0 (4)
$199.00
Add-on to CS-Cart and Multi-Vendor allows generating sales reports basing on categories, products or customer in CSV format.
If you're looking to buy this add-on in subscription form, is it available here: Subscription add-on
Make purchases for 200$ from our entire offer and get 20% discount
Payment -> Order status
5.0 (3)
$99.00
Addon to Multi-Vendor and CS-Cart allows you to set default order status to each payment. It makes managing many orders easier and faster operate them.
The addon is available in the following 12 language versions: Czech(cs_CZ), German(de_DE), Greek(el_GR), English(en_US), Spanish(es_ES), French(fr_FR), Italian(it_IT), Japanese(ja_JP), Polish(pl_PL), Romanian(ro_RO), Russian(ru_RU), Chinese Simplified(zh_CN)
Make purchases for 200$ from our entire offer and get 20% discount
Prices products in diffrent currencies
5.0 (3)
$199.00
Addon to CS-Cart and Multi-Vendor allows you to enter product price in diffrent currencies.Make purchases for 200$ from our entire offer and get 20% discount
Promotions - discount on the cheapest/most expensive product in the basket
5.0 (3)
$125.00
Addon to CS-Cart and Multi-Vendor allows you to discount cheapest or the most expensive product in basket.If you're looking to buy this add-on in subscription form, is it available here: Subscription add-onMake purchases for 200$ from our entire offer and get 20% discount
Product price negotiation
5.0 (2)
$125.00
Price negotiation is an addon to CS-Cart and Multi-Vendor allowing to perform price negotiation from product card in shop. Administrator can globally set price negotiation parameters during extension configuration.
Make purchases for 200$ from our entire offer and get 20% discount
Measures of selling products
5.0 (2)
$149.00
Addon to CS-Cart and Multi-Vendor allows you to set up measures of selling products.
Make purchases for 200$ from our entire offer and get 20% discount
Easy set vendor permission
5.0 (2)
$180.00
Extension to Multi-Vendor allows setting vendor permissions to certain parts of main menu. This way, vendor can be restricted to not be able to add new product options, modify customer data, and a lot more. If you're looking to buy this add-on in subscription form, is it available here: Subscription add-onMake purchases for 200$ from our entire offer and get 20% discount
Discount on selected group of products
5.0 (2)
$150.00
Addon to CS-Cart and Multi-Vendor allows discounting products from selected group, and configuring conditions dependent on this group.
Make purchases for 200$ from our entire offer and get 20% discount
Allow vendors to create their own category tree
5.0 (2)
$299.00
Extension to Multi-Vendor allows vendors creating their own category trees and assigning products to them. Created category structure is visible for vendors in separate block, independent from main category tree in marketplace.
If you're looking to buy this add-on in subscription form, is it available here: Subscription add-on
Make purchases for 200$ from our entire offer and get 20% discount