OPIS – Affordable ERP for Indian MSMEsOPIS by Necrus Technologies is India's most affordable ERP system for MSMEs. Manage inventory, purchase orders, GST-compliant invoicing, HR, attendance, and payroll — all in one cloud-based platform.Key Features

Inventory Management – Real-time stock tracking, low-stock alerts, multi-location support

Purchase Orders – Automated GST calculations, supplier linking, approval workflows

Goods Receipt & QC – Quality checks, batch numbers, auto stock updates

Proforma Invoices – GST-compliant invoicing with PDF exports

Employee Management – Complete HR directory with salary structures

Attendance & Leave – Daily tracking, leave approvals, QR-based leave requests

Payroll & Payslips – Auto salary calculation with PF/ESI/PT rules

PricingFree trial available. Monthly plan: ₹499/month. Yearly plan: ₹4,999/year (save 17%).About OPIS | Contact Us | Blog