ERPNext
Free and open-source enterprise resource planning software
About ERPNext
ERPNext is a comprehensive open-source ERP platform built on the Frappe Python framework that covers accounting, inventory, HR, payroll, manufacturing, CRM, sales, and purchasing in a single integrated system. Businesses can self-host for free or use Frappe Cloud for managed hosting, with no per-user licensing fees.
Pros & Cons
Pros
- No licensing fees — genuinely free open-source software with GPL license
- Covers accounting, HR, inventory, manufacturing, and CRM in one platform
- Deeply customizable with custom fields, forms, and workflows via Frappe
- Large active community with extensive documentation and forums
Cons
- Steep learning curve despite a relatively clean UI
- Fewer native third-party integrations compared to Salesforce or NetSuite
- Self-hosting requires significant technical expertise to set up and maintain
- Not as polished as enterprise-grade paid ERPs in some areas
Key Features
Financial accounting with multi-currency and tax compliance
Inventory and warehouse management with batch/serial tracking
Manufacturing with Bill of Materials and Work Orders
HR and payroll with leave management and expense claims
CRM with lead tracking, quotations, and sales orders
Project management with Gantt charts and time tracking
Purchasing and supplier management workflows
Customizable via Frappe Framework without heavy coding
Pricing
- Full ERP functionality
- Unlimited users
- Community support
- You manage infrastructure
- Managed hosting
- Automatic updates
- Backups included
- Email support
- Bundled support & warranty
- Priority assistance
- Setup guidance
- Dedicated vCPUs
- Priority support
- For mid-to-large organizations
Featured In
7 Best Open-Source ERP Systems for Small & Mid-Size Businesses (2026)
Best overall for SMBs — the only open-source ERP with unlimited users, zero licensing fees, and managed cloud hosting starting at $10/month.
Best Tools for Operations Managers at Manufacturing Plants (2026)
Best free option for technically capable manufacturers who want complete ERP without licensing costs
Best MRP Software for Make-to-Order & Custom Manufacturing (2026)
Best open-source MRP for custom manufacturers with technical resources who want enterprise capability without enterprise licensing.
Top 7 MRPeasy Alternatives for Small Manufacturers (2026)
Best for cost-conscious, technically-capable manufacturers who want a full ERP replacement for MRPeasy without per-user pricing.
Best Manufacturing ERP for Metal Fabrication and Machining Shops (2026)
Best for cost-sensitive or technically capable metal shops that want a modern, open-source ERP they can own and extend without per-user licensing.