The Operating System for Modern Business

Run Your Business
From One Platform

GrexOS brings quotes, invoicing, expenses, inventory, scheduling, and CRM into one free platform. No more juggling between apps.

Everything You Need

Seven core business tools designed to work together seamlessly

Invoices

Professional invoicing with PDF generation and email delivery

Expenses

Track expenses, categorize spending, attach receipts

Inventory

Track stock levels, costs, and reorder points

Shift Scheduler

Employee scheduling and shift management

Customer CRM

Full CRM with client profiles and history

Quotes

Create professional estimates and quotes, then convert to invoices

Vendors

Manage and know your suppliers and vendors

Why Businesses Choose GrexOS

Save 10+ Hours Weekly

Automate repetitive tasks and streamline workflows

Enterprise Security

Bank-level encryption and data protection

Get Started in Minutes

No complex setup. Import data and start working

Built for Teams

Collaborate seamlessly with your entire organization

93%

of users report improved productivity

50K+

Active Users

$2M+

Invoices Processed

Ready to Transform Your Business?

Join thousands of businesses already using GrexOS to streamline their operations.

Get Started Free

Free to use — no credit card required