Opentaps vs Sage 100: 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.
Sage 100
SMB accounting and operations ERP for manufacturing and distribution, with deep customization options and a large partner network.
Quick Comparison
| Aspect | Opentaps | Sage 100 |
|---|---|---|
| Best For | Warehouse-centric operations needing barcode and fulfillment tracking | Small manufacturers and job shops with 10-100 employees |
| Pricing Model | Open Source | Contact Sales |
| Starting Price | Contact Sales | Contact Sales |
| Deployment | self hosted, cloud | on premise, hybrid |
| Platforms | WEB, LINUX, WINDOWS | WINDOWS |
| Rating | 6.8/10 | 7.0/10 |
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- UI feels outdated — built on mid-2000s web technologies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
Sage 100
Pros
- Deep inventory management with serial/lot tracking and multiple costing methods
- Bill of Materials and light manufacturing modules suit small job shops
- Business Object Interface enables extensive third-party integrations
- Lower total cost than enterprise ERPs -- implementations from $30K-$60K
- Huge VAR ecosystem with thousands of add-on solutions available
Cons
- Windows desktop interface looks and feels outdated by 2026 standards
- No native mobile access -- requires third-party solutions
- Cloud option is just remote desktop hosting, not true cloud architecture
- Limited multi-currency support compared to Sage 300
- Finding skilled Sage 100 developers is increasingly difficult
Pricing Comparison
| Product | Pricing Model | Starting Price |
|---|---|---|
| Opentaps | open source | Contact Sales |
| Sage 100 | contact sales | Contact Sales |
Our Verdict
Choose Opentaps if...
Warehouse-centric operations needing barcode and fulfillment tracking
Choose Sage 100 if...
Small manufacturers and job shops with 10-100 employees
Still Not Sure?
Explore more alternatives or read in-depth reviews to make your decision.