SellDeck
Locks eBay and Depop listings during Whatnot shows and tracks show profit
Sidekick Tools (formerly Posh Sidekick) alternatives for Whatnot sellers
Sidekick Tools (formerly Posh Sidekick) (from $9.99/mo): Automation bots and crosslisting for Poshmark, Mercari and Whatnot. The 12 closest tools are listed in the same categories (Inventory & Cross-listing, Marketing & Audience). 2 have a free plan or are free.
Sidekick Tools (formerly Posh Sidekick) alternatives at a glance
Prices checked by hand and may change; confirm on each maker's site.
Tools like Sidekick Tools (formerly Posh Sidekick)
Crosslist
Universal listing form that publishes to many marketplaces
Vendoo
One inventory list that crossposts and syncs sales, including Whatnot (beta)
Whatnot Live Boost
Chrome assistant for Whatnot shows: size detection, queue, buyer CRM, DMs
Whatnot Connector for Odoo (Commercium)
Odoo app that syncs Whatnot listings, live stock and orders
TCG Automate
Exports card listings to a Whatnot-ready CSV, auction or Buy It Now
Card Pilot
Inventory, labels and multi-channel listing for card sellers, incl. Whatnot
ExportYourStore
Two-way Whatnot cross-listing and inventory sync with your other stores
Nifty
Cloud crosslisting and automation, with Whatnot on Crosslisting and Bundle plans
List Perfectly
One catalog to crosslist and track inventory across many marketplaces
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