Free Opentaps alternatives 2026
8 alternatives reviewed and compared
These Opentaps alternatives all have a genuinely free plan or are fully open source — no trial countdown, no card required.
Looking for alternatives to:
Opentaps
Open-source ERP and CRM focused on warehousing, manufacturing, and supply chain management.
Top alternatives compared
| Software | Rating | Starting price | Best for | Actions |
|---|---|---|---|---|
 Odoo Open-source ERP suite with 82+ integrated apps covering all business functions at remarkably low prices. | 8.3 | Free | Cost-conscious growing businesses | |
 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 | |
 Cetec ERP Free cloud ERP built for small manufacturers who need quoting, purchasing, inventory, and shop floor control without upfront costs. | Free | Small job shops with fewer than 50 employees | ||
 ERPAG Free cloud ERP for micro and small businesses covering inventory, manufacturing, sales, and purchasing basics. | Free | Micro-businesses with 1-20 employees needing their first ERP | ||
 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 |
Detailed reviews
Odoo
Open-source ERP suite with 82+ integrated apps covering all business functions at remarkably low prices.
Best for:
Why pick Odoo over Opentaps?
Odoo has a genuinely usable free tier and is strong at Cost-conscious growing businesses.
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 Opentaps?
ERPNext has a genuinely usable free tier and is strong at Budget-conscious startups and SMBs.
Cetec ERP
Free cloud ERP built for small manufacturers who need quoting, purchasing, inventory, and shop floor control without upfront costs.
Best for:
Why pick Cetec ERP over Opentaps?
Cetec ERP has a genuinely usable free tier and is strong at Small job shops with fewer than 50 employees.
ERPAG
Free cloud ERP for micro and small businesses covering inventory, manufacturing, sales, and purchasing basics.
Best for:
Why pick ERPAG over Opentaps?
ERPAG has a genuinely usable free tier and is strong at Micro-businesses with 1-20 employees needing their first ERP.
xTuple
Open-source ERP for manufacturers and distributors with full financial, inventory, and production management capabilities.
Best for:
Why pick xTuple over Opentaps?
xTuple has a genuinely usable free tier and is strong at Small manufacturers wanting open-source ERP with production capabilities.
Still deciding?
Put your shortlist side by side and see how the numbers and features really stack up.