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Sportowa 14 Rokietnica, 62-090 Poland
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Support
Migration
Add-on/modification development
Turnkey website
Mobile application
February 2010
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SoftSolid: add-ons and development for CS-Cart and Multi-Vendor

SoftSolid has been an official CS-Cart developer since February 2010. We build add-ons that a store owner can set up without calling a developer: clear settings, sensible defaults and documentation. Every add-on is kept compatible with new CS-Cart releases.

2010

official CS-Cart developer since

160+

add-ons in this marketplace

5.0

average rating from 90+ reviews

29

add-ons also on a low monthly subscription

What we do for CS-Cart and Multi-Vendor stores

Beyond ready add-ons, we take on almost any development work for CS-Cart, Store Builder and Multi-Vendor:

Custom add-on development

New features for your store built as separate, update-safe add-ons, from a small admin tool to a complete module.

Changes to existing functionality

Checkout, product pages, promotions, orders, admin panel and vendor panel adjusted to the way your business works.

Integrations

ERP and accounting systems, marketplaces and order management, couriers and parcel lockers, payment gateways, and any service with an API or data feed.

Multi-Vendor marketplaces

Vendor plans, commissions, payouts, vendor permissions and tools that make running a marketplace easier.

Upgrades and migrations

CS-Cart and Multi-Vendor upgrades to new versions, moving data from other platforms, imports and exports.

Performance and security

Store audits, finding and removing malicious code, speed and server configuration.

AI and automation

AI chat assistants trained on your store content, automatic translations and automation of repetitive work.

Support and maintenance

Ongoing care of your store, fixes and keeping custom code compatible with new CS-Cart releases.

Turnkey stores

A complete CS-Cart or Multi-Vendor store set up on a ready theme: configuration, add-ons, integrations, data import and launch.

Mobile applications

Mobile apps for your store or marketplace, connected to your CS-Cart data.

Our flagship add-ons

Base.com (BaseLinker) integration

Exchange orders and products between your store and Base.com, and sell on marketplaces from one place.

See the add-on →

DeepL translations

Translate products, categories, pages and menus into every language of your store: one click, in bulk or automatically.

See the add-on →

AI Agent / Chat Bot (RAG)

An AI assistant that answers your customers using the real content of your store.

See the add-on →

Promotions for vendors

Promotions with vendor conditions on Multi-Vendor, and vendors can create promotions of their own.

See the add-on →

Why merchants choose us

  • Direct contact with the developer team, no ticket queue
  • Add-ons for integrations, shipping, payments, ERP, AI and Multi-Vendor vendor tools
  • One team for ready add-ons and custom work, since 2010
  • Buy for $200 or more from our offer and get a 20% discount

Tell us what your store needs to do. We will point you to the add-on that already does it, or build a solution for your case.

Browse all our add-ons →   Contact us: office@cs-cart.com.pl

Services
Support
Our dedicated technical support team is ready to help you solve any CS-Cart related issues. We provide expert advice, help with customization, troubleshooting and training. Our goal is to ensure smooth operation of your store.
Migration
Planning to migrate to CS-Cart? We'll assist you with data migration, transferring products, customers, and orders. Our experts ensure a secure and efficient transition to the CS-Cart platform.
Add-on/modification development
Need custom functionality for your store? We develop apps, modifications, and integrations to meet your unique requirements. Reliable and professional solutions.
Turnkey website
Ready to launch your online store, but you need some guidance? We offer turnkey solutions from development to launch, including setup, design, integrations, and training. Your store will be ready for sales.
Mobile application
A mobile app is a convenient way to attract customers. We'll develop a mobile app for you, optimized for iOS and Android platforms. Users can easily shop through the app.

Reviews

90
5.00 / 50 assessments
Rating based on customer opinions
We have been cooperating with Soft Solid for several years. It is a reliable and honest company with quick respond to our requests and useful add on
Cooperation with SoftSolid has been very pleasant. They helped me set up the Baselinker add-on and were glad to assist me if I found some of the functionalities difficult. They fix the small bugs
One of the best customer care i've ever interacted with, really appreciate it and recommend it!
I have been cooperating with SoftSolid for several months, I bought some add-ons from SoftSolid and the cooperation is great. You can always count on help. They are always ready to help. Great knowledge and fast execution of orders. I recommend
We have been cooperating with Soft Solid for several years. It is a reliable and honest company that knows the CS-Cart software perfectly. We used their standard add-ons as well as they created
A reliable company that is unusually quick to respond to our requests. It is obvious that they understand what they are doing. We will be happy to contact this company if we need another add-on.
I've been working with SoftSolid since 3 years, and I am very satisfied with this cooperation. Over time, I have made lots of changes to my store, including switching from CS-Cart to Multi-Vendor
SoftSolid is a very reliable and solid company. I requested them to develop a custom add-on for me, which will work only for Polish territory. It was delivered on time, and basically ready to be
SoftSolid is a great company. They helped me to move from and old, unusable CMS to the CS-Cart, and it was a very good choice. There's a lot of SoftSolid add-ons installed in my new store and
SoftSolid develops very good plugins that really push your store and make many features easier. The support is fast and really competent. Here you can buy or request orders without hesitation.

Recommended

Integration with Base.com (baselinker)
5.0 (20)
$299.00
Manage catalogue, stock, prices and orders from your store and every marketplace in one place: BaseLinker pulls your products and orders and sends back stock, statuses and tracking numbers. For Store Builder and Multi-Vendor.
Make purchases for 200$ from our entire offer and get 20% discount
Promotions - discount on products of vendors
5.0 (11)
$275.00
Vendors create and run their own promotions in their panel, every discount stays inside their own catalogue, and you keep plan limits and optional pre-moderation. For Multi-Vendor, PLUS and Ultimate.
Make purchases for 200$ from our entire offer and get 20% discount.
Integration with translation service Deepl.com
5.0 (9)
$175.00
Translate products, categories, pages, promotions, features, blocks and menus into every language of your store with DeepL: one click next to a field, in bulk from a list, or automatically after saving. For Store Builder and Multi-Vendor.
Make purchases for 200$ from our entire offer and get 20% discount
Display history of product price changes (Omnibus directive)
5.0 (6)
$275.00
Stay compliant with the EU Omnibus Directive without manual work: the add-on records your price history every day and, on every discount, shows the lowest price from the last 30 days. For Store Builder and Multi-Vendor.

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)
$125.00
Addon to CS-Cart and Multi-Vendor allows you to discount cheapest or the most expensive product in basket.
Make purchases for 200$ from our entire offer and get 20% discount
AI Agent/Assistant Chat Bot RAG
No reviews
$899.00
Customers get answers about products, content and order status around the clock in a chat widget based on your live store data, so simple questions no longer reach your support team. For CS-Cart and Multi-Vendor.
Make purchases for 200$ from our entire offer and get 20% discount.