NolaPro is free accounting software without ads, nag screens or spyware. The free license does not expire and can even be transferred, and upgrades are always free.
The list of free accounting features in NolaPro is impressive: Complete Accounting, Receivables and Billing, Payables and Vendor Management, Payroll and Employee Data, Inventory Tracking and Shipping, Order Entry, Administrative Control, International Support, Language Translator, VAT/GST Functionality, Flexible Currency Setup, Ecommerce Features, B2B Web Portal, Point-of-Sale (POS), Editable Shopping Cart.