Best Open Source POS Systems: 2026 Buyer’s Guide
The best open source POS system in 2026 depends on your business type and technical resources. OpenSourcePOS, uniCenta OPOS, NexoPOS 4, and Odoo POS are the top free options, each built on different stacks and licensed differently. This guide breaks down the real costs, hardware support, and which platform fits your situation. What Makes a…