Opentaps vs ERPAG: Complete Comparison 2026
An in-depth comparison of features, pricing, and user experience to help you make the right choice.
Opentaps
6.8(80 reviews)
Open-source ERP and CRM focused on warehousing, manufacturing, and supply chain management.
ERPAG
Free cloud ERP for micro and small businesses covering inventory, manufacturing, sales, and purchasing basics.
Quick Comparison
| Aspect | Opentaps | ERPAG |
|---|---|---|
| Best For | Warehouse-centric operations needing barcode and fulfillment tracking | Micro-businesses with 1-20 employees needing their first ERP |
| Pricing Model | Open Source | Freemium |
| Starting Price | Contact Sales | Free |
| Deployment | self hosted, cloud | cloud |
| Platforms | WEB, LINUX, WINDOWS | WEB |
| Rating | 6.8/10 | 7.4/10 |
Pros & Cons
Opentaps
Pros
- Strong warehouse management with barcode support, picking, packing, and shipping
- Tight integration between CRM, orders, and fulfillment modules
- Includes unique energy and sustainability tracking features
- Completely free with no license costs — only pay for hosting and customization
Cons
- UI feels outdated — built on mid-2000s web technologies
- Community is small and development activity has slowed significantly
- Requires Java developers for any meaningful customization
- Installation and configuration takes 2-4 days minimum
- No official mobile app or responsive design
ERPAG
Pros
- Genuinely free tier for 1 user with real ERP functionality
- Paid plans start at just $35/month — cheapest real ERP on the market
- Clean modern interface that runs entirely in the browser
- Impressive integration list: QuickBooks, Xero, Shopify, WooCommerce, Amazon
- Connected modules provide real ERP logic (sales triggers manufacturing triggers purchasing)
Cons
- Performance degrades beyond 20 users or thousands of SKUs
- No advanced planning, CRM, quality management, or field service
- Support operates on Belgrade (Serbia) business hours only
- Zero customisation options — no SDK, no custom modules, no scripting
- Small user community means limited peer support and third-party resources
Pricing Comparison
| Product | Pricing Model | Starting Price |
|---|---|---|
| Opentaps | open source | Contact Sales |
| ERPAG | freemium | Free0 |
Our Verdict
Choose Opentaps if...
Warehouse-centric operations needing barcode and fulfillment tracking
Choose ERPAG if...
Micro-businesses with 1-20 employees needing their first ERP
Still Not Sure?
Explore more alternatives or read in-depth reviews to make your decision.