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opensourcepos vs Square

Side-by-side comparison of features, pricing, ratings, and alternatives.

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opensourcepos
opensourceposFree, web‑based POS for small businesses and retailers
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Square
SquarePayment processing and point-of-sale system for businesses
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Overview
Description

OpenSourcePOS is a lightweight, web‑based point‑of‑sale system built with PHP, CodeIgniter and MySQL. It runs on any web server, giving merchants full control over their data and customization. The software is completely free and open source, making it ideal for cost‑conscious small to medium‑sized businesses. Its intuitive interface covers sales, inventory, customer management, and reporting without the need for costly licenses.

Square is a payment processing and point-of-sale system designed for businesses of all sizes. It provides a range of tools and services to help businesses manage their payments, sales, and customer relationships. With Square, businesses can accept payments, track sales, and manage their inventory and customer data all in one place.

Pricing
Free
Freemium
Category
E-Commerce
Payment Processing
Best for
Small businesses and retailers
Small to Medium-Sized Businesses
Specifications
Spec source
AI-estimated
AI-estimated
deployment
Self-hosted
Cloud/SaaS
open source
Yes
No
github stars
4,308
—
api available
Yes
Yes
support options
GitHub Issues, Community Forum
Email, Phone, Live Chat
primary language
PHP
—
key integrations
—
Shopify, QuickBooks, Xero
Pros & Cons
Pros
  • Completely free with no hidden fees
  • Self‑hosted gives full data ownership
  • Easy to install on any standard web server
  • Active community provides extensions and support
  • Easy to use and set up
  • Accepts a wide range of payment types
  • Robust inventory management features
  • Integrates with third-party apps and services
Cons
  • Requires technical knowledge to set up and maintain
  • Limited out‑of‑the‑box integrations with third‑party hardware
  • User interface feels dated compared to commercial SaaS POS
  • Fees can add up for large businesses
  • Limited customization options for online stores
  • Customer support can be slow to respond
Community & Metrics
Upvotes
0
0
User rating
Not enough data
Not enough data

More alternatives & similar tools

Alternatives to opensourcepos

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Square
Square

Payment processing and point-of-sale system for businesses

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Alternatives to Square

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opensourcepos
opensourcepos

Free, web‑based POS for small businesses and retailers

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The Verdict

AI-generated from listing data

Choose Square as the safer, hassle-free default for managed cloud convenience, or opensourcepos if you have PHP technical skills and want a completely free, self-hosted system. The main trade-off is paying transaction fees for commercial convenience versus running a free open-source stack that requires technical setup and maintenance.

Key differences

  • •Pricing model: opensourcepos is completely free and self-hosted, whereas Square is a freemium cloud/SaaS tool with payment processing tools and fees that can add up for large businesses.
  • •Deployment and hosting: opensourcepos is self-hosted on any standard web server (using PHP, CodeIgniter, and MySQL) with full data ownership, while Square runs on the cloud/SaaS.
  • •Support and community: opensourcepos offers support via GitHub Issues and Community Forum, whereas Square provides email, phone, and live chat.
  • •Integrations: Square explicitly lists key integrations with Shopify, QuickBooks, and Xero, while opensourcepos has limited out-of-the-box third-party hardware integrations and relies on standard web APIs.
DimensionWinner

Pricing & value

opensourcepos is completely free with no hidden fees, while Square is freemium with fees that can add up for large businesses.

opensourcepos

Ease of use / learning curve

Square is easy to use and set up as a cloud/SaaS tool, whereas opensourcepos requires technical knowledge to set up and maintain.

Square

Features & depth

Both handle sales, inventory tracking across multiple locations, customer management, and sales reports, though Square includes e-commerce store creation tools.

Tie

Integrations & ecosystem

Square lists specific key integrations like Shopify, QuickBooks, and Xero; opensourcepos supports standard web APIs and community extensions.

Square

Support

Square provides email, phone, and live chat support options, while opensourcepos relies on GitHub Issues and a community forum.

Square

Security & privacy

opensourcepos offers full data ownership through self-hosting, whereas Square's deployment is cloud/SaaS (privacy details not specified).

opensourcepos

Migration / lock-in

opensourcepos is open-source (CodeIgniter/PHP/MySQL) with full data ownership, reducing vendor lock-in compared to Square's proprietary cloud ecosystem.

opensourcepos

Choose opensourcepos if…

Technical small business owners with PHP knowledge wanting a free, self-hosted POS with full data ownership.

Choose Square if…

Businesses wanting an easy-to-setup cloud POS with robust payment processing, built-in e-commerce, and multi-channel support.

Common questions

How much do these tools cost to use?

opensourcepos is completely free with no hidden fees. Square is a freemium tool, though its fees can add up for large businesses.

What kind of technical setup is required?

opensourcepos requires technical knowledge to install and maintain on standard web servers (using PHP, CodeIgniter, and MySQL). Square is a cloud/SaaS tool that is easy to use and set up.

What support options are available if I run into issues?

opensourcepos offers support via GitHub Issues and a community forum. Square provides support via email, phone, and live chat.