| KasbPro ERP | Free forever | $0 (optional Pro: $49/yr for the whole company) | No per-user fees | Unlimited records and team members. Pro adds advanced reports, AI and document add-ons, with a 30-day free trial. |
|---|
| WP ERP | Free core | $0 core; Pro bundles from about $150+/yr | Unlimited users on core | Payroll, recruitment, advanced accounting and workflows are paid extensions. Runs on your own hosting. |
|---|
| Jetpack CRM | Free core | $0 core; bundles about $130 to $205/yr | No per-user fees | Single extensions run about $29 to $129/yr each. CRM only, so you still need inventory and accounting. |
|---|
| FluentCRM | Free version | About $90 to $129/yr per site | No per-contact fees | Needs a separate email delivery service (SMTP or API), billed by volume. Marketing only. |
|---|
| ATUM Inventory Management | Free core | $0 core; add-ons from about €144/yr each | No per-user fees | Purchase Orders PRO, multi-inventory, barcodes and exports are separate paid add-ons. Inventory only. |
|---|
| Zoho Books + Inventory | Free plans (1 user) | About $528 to $1,428/yr for Books + Inventory (3 to 5 users) | Seat limits; extra users about $2.50 to $3/mo | Books and Inventory are separate subscriptions. Purchase orders start on Books Professional ($40/mo billed annually). Multi-warehouse needs higher tiers. |
|---|
| MyWorks Sync for QuickBooks | Free up to 20 orders/mo | Sync about $228 to $1,188/yr, plus QuickBooks about $456 to $1,680/yr | Priced by order volume | You pay for the sync and for QuickBooks Online. User counts and QuickBooks list prices change on renewal. |
|---|
| Odoo + WooCommerce connector | Free for one app | About $1,870/yr (Standard) to $3,660/yr (Custom), 5 users | About $31 to $61 per user/mo | WooCommerce connectors are third-party ($150 to $450+ one-off) and generally need a plan or hosting that allows custom modules. |
|---|
| ERPNext + WooCommerce integration | Free software | About $60/yr (Frappe Cloud from ~$5/mo) to $240+/yr (VPS) | No license fees | Self-hosting adds server admin, upgrades and backups. The WooCommerce link needs configuration. |
|---|
| Dolibarr + WooCommerce module | Free software | About $60 to $240/yr self-hosted; DoliCloud from €14/user/mo | Free self-hosted; per user on DoliCloud | WooCommerce modules are usually community or paid third-party add-ons. You maintain hosting yourself. |
|---|
| Katana | Free tier (about 30 SKUs) | From about $3,590/yr (roughly $299/mo) | Flat plans, not per user | Paid plans scale with locations and order volume. Accounting needs a separate tool such as QuickBooks or Xero. |
|---|