
LitCommerce
Sellbrite
Codisto
CedCommerce
Expandly
JoeLister
SellerActive
WooCommerce plugin that syncs your store with eBay: stock, prices, orders and tracking, with grading fields for trading cards and coins.

NovoPsych
Clinical assessment tools for psychologists, therapists and occupational therapists. Send measures by secure link and review scored results, severity bands and reports.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | tcgiant.com | clientforms.app |
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| Company | Startup from the United States · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


TCGiant Sync is a WordPress plugin that connects a WooCommerce store with an eBay store and keeps them in sync in both directions. What it does Imports existing eBay listings into WooCommerce, or pushes WooCommerce products to eBay as new listings Two-way sync of stock, prices and orders, so an...
Clinical assessment tools for psychologists, therapists and occupational therapists. Send measures such as the PHQ-9, GAD-7 and DASS-21 by secure link and get scored results, severity bands and reports ready to review. The catalogue also includes DSM-5 ADHD assessments and autism screening tools....
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As answered by people managing TCGiant Sync and ClientForms.app.
TCGiant Sync's answer
TCGiant Sync is a WordPress plugin written in PHP that integrates with WooCommerce and the eBay APIs. It uses background job queues with retry logic and WordPress scheduled tasks for automatic syncing, supports WooCommerce High-Performance Order Storage (HPOS), and exposes its own REST API. It requires WordPress 5.8+, WooCommerce 5.0+ and PHP 7.4+.
ClientForms.app's answer:
Frontend: Next.js 15 (React 19), Tailwind CSS Backend: Supabase (PostgreSQL, Row-Level Security) Authentication: Clerk Payments: Stripe Hosting: Vercel (Sydney region) Database hosting: Supabase (Australian data residency)
TCGiant Sync's answer
Small and mid-sized collectibles sellers who run their own WooCommerce store and also sell on eBay. Trading card shops are the core audience, along with coin dealers, comic shops, sports memorabilia sellers, and toy and hobby stores. It also works for general eCommerce sellers who want one inventory across WooCommerce and eBay without overselling.
ClientForms.app's answer:
Psychologists who assess ADHD and autism. Typically private practice, solo or small group (1-5 clinicians), currently using paper forms and spending hours on admin per assessment. They want something that works and is secure.
TCGiant Sync's answer
TCGiant Sync was built specifically for collectibles sellers. Most WooCommerce-eBay connectors treat every product the same, but TCGiant Sync has dedicated grading workflows for trading cards and coins, covering 39 grading services, with grade and cert number mapped to eBay item specifics. It syncs stock, prices and orders in both directions, imports existing eBay listings without relisting, and runs pre-push checks that catch missing item specifics, categories and business policies before a listing goes live. It also has a free tier that includes every feature for up to 50 products.
ClientForms.app's answer:
Neurodivergent-first design. Most digital forms just replicate paper online. ClientForms is built specifically for ADHD and autism patients - progress bars with time remaining (helps with time blindness), softer colours instead of harsh white, sticky headers so you always know where you are. The forms are designed to reduce anxiety and improve completion rates.
TCGiant Sync's answer
If you sell on both WooCommerce and eBay, TCGiant Sync is a focused, affordable way to keep the two in sync. It runs inside your own WordPress site rather than a separate monthly platform, it's free for up to 50 products, and Pro is just $5/month or $49/year with no product limit. It handles the details collectibles sellers care about, like graded cards and coins, cert numbers and eBay business policies, and it imports your existing eBay listings so you keep your sales history. Scheduled syncs run as often as every 15 minutes to help prevent overselling, and order tracking numbers flow back to eBay automatically. The plugin is open source under GPL-2.0.
ClientForms.app's answer:
Most clinical software treats patients as an afterthought. ClientForms is designed specifically for neurodivergent users who are filling out the forms, progress indicators, time estimates, calmer colours, predictable layouts. One link, no signup required, works on any device. Patients just open and complete.
TCGiant Sync's answer
I built TCGiant Sync for my own business. I was running an eBay store selling trading cards, and customers kept asking if I had my own website. When I looked at the existing WooCommerce-eBay plugins, I didn't want to pay the high fees most of them charge, so I built my own. It worked perfectly for my store, so I started letting other sellers use it, and that turned into TCGiant Sync.
TCGiant Sync's answer
We keep our customers' names confidential.
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