Free and open first
Best E-commerce Marketplace Seller Tools in 2026
E-commerce marketplace seller tools help with listing management, inventory sync, repricing, product research and fulfillment across online selling channels. The tools may run on the web, an API, Android, iOS, a browser extension or Windows.
- 56 apps
- Research read 10 Oct 2026
- How the order is worked out
- 1
CedCommerce
Free plan APIExtensionWebChoose CedCommerce if you need store-to-marketplace connections and product, inventory, and order synchronization, especially for the Shopify–eBay workflow.
- 2
Helium 10
Free plan AndroidExtensioniPhone+1Helium 10 covers marketplace reporting and seller workflows, with plan allowances that scale from limited free access to enterprise volumes.
- 3
SellerApp
Free plan APIExtensionWeb - 4
- 5
- 6
JTL-Wawi
Free plan AndroidiPhoneWeb+1 - 7
ZonGuru
Free plan ExtensionWebChoose ZonGuru if your Amazon business needs listing scoring, content engineering, publishing, or monitoring alongside research tools.
- 8
4Seller
Free plan Web - 9
Zoho Inventory
by Zoho InventoryFree plan WindowsZoho Inventory offers stock, order, barcode, and warehouse features with a free tier and several paid plans.
- 10
Amazon Automate Pricing
Free plan Web - 11
Data Dive
Free trial APIExtensionWebData Dive combines Amazon research, listing tools, PPC features, and assistant integrations in one paid service. Check its plan limits and data caveat before relying on it for business decisions.
- 12
AMZScout
Free trial ExtensionWebAMZScout brings product, keyword, sales, and supplier research together for Amazon sellers. Consider whether the AI Bundle covers your needs, since the reselling and private-label packs are add-ons.
6.2 Visit site - 13
Channable
by ChannableFree trial APIWebChannable combines listing, inventory, order, and automation functions for six channels.
6.2 Visit site - 14
Sellerise
Free plan AndroidiPhoneWeb - 15
Amazon Product Opportunity Explorer
Free plan Web - 16
sellerboard
Free trial AndroidExtensioniPhone+1sellerboard combines marketplace profit reporting with inventory, PPC, and refund tools. It has no free plan, but advertises a one-month trial without a credit card.
- 17
Descartes Sellercloud
by Descartes SellercloudPaid AndroidAPIiPhone+1Sellercloud brings channel, warehouse, shipping, purchasing, and returns operations together, with broad integrations and configurable employee access.
- 18
Brightpearl
by BrightpearlPaid APIiPhoneWebChoose Brightpearl if you are a retailer or wholesaler looking to coordinate orders, inventory and POS activity across channels and locations.
- 19
ChannelGrabber
Paid WebWindowsAndroidChannelGrabber centralizes marketplace inventory, orders and listing operations across web and supported devices.
- 20
Jungle Scout
Paid AndroidAPIExtension+2Jungle Scout offers broad Amazon research, tracking, and brand-management tools, with separate Catalyst and Cobalt audiences.
- 21
Seller Copilot
Free plan Web - 22
SELLERLOGIC Repricer
Free plan Web - 23
SellerSprite
Free plan Web - 24
EasyEcom 3PL
Paid AndroidAPIWebEasyEcom 3PL brings multi-client warehousing, fulfillment, client portals, and billing into one platform.
- 25
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
Compare supported marketplaces, free plans, trial terms and the starting paid price. If reading or changing code matters, check the licence and its permissions before choosing.
Questions
Do these tools offer free plans?
The list marks free plans for 4Seller, Amazon Automate Pricing, Amazon Product Opportunity Explorer and CedCommerce.
Which tools show free trials?
Alpha Repricer, Aura and BQool show 14-day trials; Auctiva and CedCommerce show 30-day trials. AMZScout is marked with a free trial.
What platforms can marketplace seller tools run on?
Platforms listed for tools in this category are web, API, Android, iOS, browser extension and Windows.
What features are compared?
Comparisons cover free plan, paid-from price, marketplaces supported, listing management, inventory sync, automated repricing, product research and fulfillment management.
What should I check before using open-source software?
Read the software licence and confirm that its permissions allow the code use, changes or redistribution you need.