Compare the Top Payment Processing Software for Linux as of November 2025

What is Payment Processing Software for Linux?

Payment processing software is software used to facilitate payments made to and from businesses. It can process these transactions quickly and securely, allowing merchants to run their operations smoothly. The software is often integrated with point-of-sale systems or accounting programs, allowing for seamless tracking of all financial information. Users can easily manage payment gateways, report on transactions, and reconcile accounts with detailed analytics tools. Compare and read user reviews of the best Payment Processing software for Linux currently available using the table below. This list is updated regularly.

  • 1
    PremierCashier

    PremierCashier

    NetResources

    Tired of integrating PSP's and handling cashier complexity? PremierCashier is your no-code, scalable e-commerce solution. With one API integration you can access hundreds of payment solutions. Any device, any language, and any currency - including many popular cryptocurrencies. Smart credit card routing with intelligent failover, clever rules and algorithms to ensure you never lose a transaction. Bring your own merchant accounts or use our payment consulting to ensure you maximize your payment potential in any geo market. Our payment orchestration software is lightning fast and extremely customizable. Automatic customer profiling allows you to keep your processing secure while providing your customers with a VIP experience. And our dashboard is unrivaled in terms of providing you with actionable information at your fingertips. Plus, our latest API makes for a fast and robust integration to your CRM/ERP. Contact us to get started!
    Starting Price: $750 USD - no percentages!
  • 2
    Cloud9 Payment Gateway
    Cutting Edge Payment Processing Gateway with Enterprise Features and Real-Time Metrics
  • 3
    SDK.finance

    SDK.finance

    SDK.finance

    SDK.finance is a white-label core payments platform, serving as a backbone for building fintech products on top. Available in cloud PaaS and on-premise with the source code license versions, the platform caters to businesses of all sizes - from startups seeking affordable software to SMBs and enterprises that need scalability and independence.
    Starting Price: Contact us
  • 4
    CARDZ3N

    CARDZ3N

    CARDZ3N

    CARDZ3N supports global payments for credit cards, ACH, SEPA, and Crypto (140+ coins). CARDZ3N processes payments for emerging markets & high-risk businesses, including CBD, crypto exchanges, gambling, travel, and more. We also offer a Stripe Alternative with rates starting at 2.25% for non-profits & 2.75% & $0.25 for e-commerce. CARDZ3N also offers other payment options, such as ACH, payroll and HR, benefits, or business capital. CARDZ3N Our mission is to solve the most pressing problems facing our clients, large and small. Our unique approach is what distinguishes us and what makes us different. We offer a wide range of services and solutions that help organizations achieve their vision, facilitate change, and maximize performance and productivity.
  • 5
    uniCenta

    uniCenta

    uniCenta

    Day-In, Day-Out uniCenta software helps thousands of people all around the world save their business time and money. uniCenta is not the usual run-of-the-mill legacy Point Of Sale software developer. We are a small team dedicated to bringing you innovative Point Of Sale apps. Run the full version of uniCenta oPOS on any smartphone, tablet or countertop machine with a browser. Send orders to a local kitchen, packing or warehouse display wherever it’s located. Strengthen your customer connection and reinforce your brand. Blend In-store prepayments with online store purchases. This app' will earn you money and pay you for every transaction you make.
    Starting Price: $5 per month
  • 6
    Canopus EpaySuite

    Canopus EpaySuite

    Canopus Innovative Technologies

    Canopus connects you to a full spectrum of digital banking and payment functionalities. Our one-stop-shop solution includes everything you need for your Fintech business – software, open API and connections to the most important partners, e.g., banks, forex, card issuers and acquirers. We offer the most popular functionalities any Payment Service Provider, no matter the size, needs - customer onboarding and AML, digital banking, SWIFT/SEPA payments, forex, payments to card, card issuing, payment acquiring and crypto payments.
    Starting Price: $45000.00/one-time
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