When businesses explore Odoo ERP, one of the first questions they ask is:
What modules does Odoo offer, and which ones do we actually need?
Odoo is not just a single software — it is a complete business management ecosystem made up of interconnected modules. From Sales and CRM to Accounting, Inventory, Manufacturing, HR, POS, and eCommerce — Odoo provides everything under one platform.
In this detailed guide, we will explain:
- What Odoo modules are
- Complete Odoo modules list
- Core functional modules
- Industry-specific modules
- Technical modules
- How modules work together
- How to choose the right modules
- FAQs
If you’re evaluating Odoo development services, Odoo customization services, or planning Odoo implementation services, this guide will help you understand the Odoo module ecosystem clearly.
What Are Odoo Modules?
Odoo modules are individual applications within the Odoo ERP system that manage specific business functions.
Odoo is developed by Odoo S.A. and follows a modular architecture. This means businesses can:
- Install only the modules they need
- Scale gradually
- Customize modules based on workflow
- Integrate modules seamlessly
Each module can work independently but becomes more powerful when integrated with others.
Core Odoo Modules List Explained
Let’s break down the most important Odoo modules businesses use in 2026.
1️⃣ Odoo CRM Module
The CRM module helps businesses manage customer relationships and sales pipelines.
Key Features:
- Lead management
- Opportunity tracking
- Sales pipeline visualization
- Automated follow-ups
- Email integration
- Performance reporting
This module is ideal for companies focused on sales growth and customer retention.
Many businesses enhance CRM using Odoo customization services to add:
- Custom lead scoring
- Industry-specific workflows
- Advanced dashboards
2️⃣ Odoo Sales Module
The Sales module handles the complete sales process.
Features:
- Quotations
- Sales orders
- Pricing rules
- Discounts
- eSignature
- Invoice generation
When integrated with Inventory and Accounting, it creates automated workflows.
Example:
Sales order → Inventory deduction → Invoice creation → Accounting entry.
This automation is why businesses choose professional Odoo implementation services.
3️⃣ Odoo Accounting Module
One of the most powerful modules in Odoo.
Key Capabilities:
- Invoicing
- Vendor bills
- Bank reconciliation
- Financial reports
- Multi-currency support
- Tax configuration
Businesses often request Odoo accounting software development and customization for:
- Custom financial reports
- Compliance-specific accounting workflows
- Industry regulations
Proper configuration during Odoo ERP development ensures accurate financial visibility.
4️⃣ Odoo Inventory Module
The Inventory module manages stock, warehouses, and product movements.
Features:
- Real-time stock tracking
- Multi-warehouse support
- Barcode scanning
- Automated reordering
- Batch & serial number tracking
Inventory integrates directly with Sales, Purchase, and Manufacturing.
For retail businesses, this integrates with Odoo POS software development and customization.
5️⃣ Odoo Purchase Module
This module manages procurement and vendor relationships.
Features:
- Request for quotation (RFQ)
- Purchase orders
- Vendor price lists
- Automated replenishment
- Vendor performance tracking
When connected with Inventory, it automates stock replenishment.
6️⃣ Odoo Manufacturing (MRP) Module
Ideal for manufacturing companies.
Features:
- Bill of Materials (BoM)
- Work centers
- Production planning
- Quality control
- Cost analysis
Manufacturers often require Odoo customization services for:
- Custom production workflows
- Compliance tracking
- Advanced cost calculation
7️⃣ Odoo POS Module
The Point of Sale module is designed for retail stores.
Features:
- Fast billing
- Multi-store management
- Offline mode
- Customer loyalty programs
- Real-time stock updates
Retailers often invest in Odoo POS software development and customization to add:
- Industry-specific billing rules
- Gold rate automation
- Custom discount structures
8️⃣ Odoo HR Module
Manages human resource operations.
Features:
- Employee records
- Attendance tracking
- Payroll management
- Recruitment
- Leave management
Companies often integrate HR with Accounting for payroll automation.
9️⃣ Odoo Project Management Module
Useful for service-based businesses.
Features:
- Task management
- Timesheets
- Project tracking
- Budget monitoring
Ideal for IT, consulting, and service industries.
🔟 Odoo eCommerce Module
This module allows businesses to build online stores integrated with ERP.
Features:
- Website builder
- Product catalog
- Payment integration
- Shipping integration
- SEO optimization
Through professional Odoo integration services, businesses connect eCommerce with:
- Inventory
- Accounting
- CRM
Supporting & Advanced Odoo Modules
Odoo also provides:
- Marketing Automation
- Email Marketing
- Social Marketing
- Helpdesk
- Field Service
- Subscriptions
- Rental Management
- Quality Management
These modules support industry-specific needs.
How Odoo Modules Work Together
The real power of Odoo lies in integration.
Example workflow:
- Customer submits inquiry → CRM
- Quotation sent → Sales
- Order confirmed → Inventory updated
- Invoice generated → Accounting
- Payment recorded → Financial reports updated
Everything happens in one system.
This eliminates data duplication and manual entry.
Odoo Community vs Enterprise Modules
Odoo offers:
Odoo Community
- Free version
- Basic modules
- Limited advanced features
Odoo Enterprise
- Paid version
- Advanced accounting
- Studio customization
- Mobile app
- Official support
Many mid-size and large businesses choose Enterprise with expert Odoo development services.
Industry-Specific Odoo Modules Usage
Manufacturing
MRP + Inventory + Quality + Accounting
Retail
POS + Inventory + Sales + Accounting
Healthcare
CRM + Inventory + Custom compliance modules
Logistics
Inventory + Purchase + Integration services
IT Services
Project + Timesheet + CRM
Each industry often requires tailored Odoo ERP development.
How to Choose the Right Odoo Modules
Follow this structured approach:
- Identify core business processes
- Prioritize essential modules
- Evaluate integration requirements
- Plan for scalability
- Avoid over-installing modules
Professional Odoo consulting services help avoid unnecessary complexity.
Custom Modules in Odoo
If standard modules are not enough, businesses can build:
- Custom industry modules
- Workflow automation
- AI integrations
- Advanced analytics
Through expert Odoo customization services, companies create competitive advantages.
Benefits of Odoo’s Modular System
- Cost-effective implementation
- Flexible scaling
- Seamless integration
- Faster automation
- Centralized reporting
This is why Odoo remains one of the fastest-growing ERP systems in 2026.
Why Businesses Choose Inwizards Software Technology for Odoo Modules
At Inwizards Software Technology, we help businesses:
- Select the right Odoo modules
- Implement ERP efficiently
- Customize workflows
- Integrate third-party systems
- Optimize performance
Our expertise in:
- Odoo development services
- Odoo customization services
- Odoo implementation services
- Odoo integration services
- Odoo POS software development
- Odoo accounting software development
ensures scalable and future-ready ERP solutions.
Frequently Asked Questions (FAQs)
1. How many modules does Odoo have?
Odoo offers 30+ core modules and hundreds of additional apps available through the marketplace.
2. Can I install only selected modules?
Yes. Odoo allows businesses to install only required modules.
3. Are Odoo modules customizable?
Yes. Through Odoo customization services, modules can be modified to match specific workflows.
4. Do modules integrate automatically?
Yes. Most core modules integrate seamlessly within Odoo.
5. Which Odoo module is best for small businesses?
CRM, Sales, Accounting, and Inventory are typically the starting modules.
6. Is Odoo POS suitable for multi-store retail?
Yes. With proper Odoo POS development and customization, it supports multi-location operations.
7. Can Odoo modules be upgraded?
Yes, but heavy customization may require migration adjustments.
Final Thoughts
Understanding the Odoo modules list is essential before implementing ERP.
Odoo’s modular structure allows businesses to:
- Start small
- Scale gradually
- Automate operations
- Customize workflows
- Integrate systems
Choosing the right combination of modules ensures operational efficiency and long-term growth.
With expert guidance from Inwizards Software Technology, businesses can implement, customize, and optimize Odoo modules to build a powerful, future-ready ERP system.
If you’re planning your Odoo journey, selecting the right modules is the first step toward digital transformation.
