Open-source Plex Smart Manufacturing Platform alternatives 2026
6 alternatives reviewed and compared
Self-hostable, open-source alternatives to Plex Smart Manufacturing Platform — your data stays yours, and there's no per-seat licensing.
Looking for alternatives to:
Plex Smart Manufacturing Platform
Rockwell Automation's cloud MES/ERP platform built for discrete and process manufacturers from the shop floor up.
Top alternatives compared
| Software | Rating | Starting price | Best for | Actions |
|---|---|---|---|---|
 ERPNext Free and open-source ERP with manufacturing, accounting, HR, and CRM - the genuine alternative to expensive enterprise software. | 8.0 | Free | Budget-conscious startups and SMBs | |
 xTuple Open-source ERP for manufacturers and distributors with full financial, inventory, and production management capabilities. | Free | Small manufacturers wanting open-source ERP with production capabilities | ||
 iDempiere Community-driven open-source ERP forked from ADempiere, offering full accounting and distribution. | 6.9 | Contact sales | Distribution and trading companies with complex accounting needs | |
 VIENNA Advantage Open-source ERP and CRM platform with financial management, manufacturing, and inventory for mid-market European companies. | 6.8 | Free | European SMBs with 10-100 users and existing Microsoft infrastructure | |
 Metasfresh German open-source ERP designed for fresh produce distribution, food industry, and wholesale. | Free | Fresh produce wholesalers and distributors handling perishable goods | ||
 Opentaps Open-source ERP and CRM focused on warehousing, manufacturing, and supply chain management. | 6.8 | Contact sales | Warehouse-centric operations needing barcode and fulfillment tracking |
Detailed reviews
ERPNext
Free and open-source ERP with manufacturing, accounting, HR, and CRM - the genuine alternative to expensive enterprise software.
Best for:
Why pick ERPNext over Plex Smart Manufacturing Platform?
ERPNext has a genuinely usable free tier and is strong at Budget-conscious startups and SMBs.
xTuple
Open-source ERP for manufacturers and distributors with full financial, inventory, and production management capabilities.
Best for:
Why pick xTuple over Plex Smart Manufacturing Platform?
xTuple has a genuinely usable free tier and is strong at Small manufacturers wanting open-source ERP with production capabilities.
iDempiere
Community-driven open-source ERP forked from ADempiere, offering full accounting and distribution.
Best for:
Why pick iDempiere over Plex Smart Manufacturing Platform?
iDempiere has a genuinely usable free tier and is strong at Distribution and trading companies with complex accounting needs.
VIENNA Advantage
Open-source ERP and CRM platform with financial management, manufacturing, and inventory for mid-market European companies.
Best for:
Why pick VIENNA Advantage over Plex Smart Manufacturing Platform?
VIENNA Advantage has a genuinely usable free tier and is strong at European SMBs with 10-100 users and existing Microsoft infrastructure.
Metasfresh
German open-source ERP designed for fresh produce distribution, food industry, and wholesale.
Best for:
Why pick Metasfresh over Plex Smart Manufacturing Platform?
Metasfresh has a genuinely usable free tier and is strong at Fresh produce wholesalers and distributors handling perishable goods.
Still deciding?
Put your shortlist side by side and see how the numbers and features really stack up.