List of the Top 13 Payment Gateways for Linux in 2026

NMI Payments transforms payments from a backend function into a strategic growth driver. Designed for software companies. SaaS platforms, ISVs and ISO partners, it enables you to embed, brand, and monetize payments directly within your software—without becoming a PayFac or taking on compliance complexity. As a full-stack processor, acquirer, and technology partner, NMI manages underwriting, risk, and regulatory oversight behind the scenes. The result: faster go-to-market, stronger brand control, and new recurring revenue streams. With modular design and white-label flexibility, NMI adapts to your business model, whether you’re processing payments online, in-store, in-app, or unattended. Key Benefits Launch white-labeled payments in weeks, not months Control pricing, share in transaction revenue, and own the customer relationship Built-in compliance, risk, and fraud prevention tools Flexible integration via no-code, low-code, or full API access Developer-First Experience NMI’s developer environment bridges business and technical needs. Developers gain instant sandbox access, prebuilt SDKs, and intuitive APIs to test, integrate, and deploy quickly. Guided onboarding, dynamic sandbox simulations, and drop-in components make payments easier to build and maintain. Business teams can explore revenue opportunities through self-service tools and instant earnings insights. With NMI Payments, you can embed and scale payments without losing control—powering faster launches, stronger retention, and lasting growth

Autodeals, Inc. provides a comprehensive cloud-based solution tailored for growth-oriented automobile dealerships across all 50 states. This all-encompassing digital retailing platform features essential tools such as CRM, messaging, deal management, accounting, electronic signatures, LenderHawk contract delivery, a service center, payment processing, and BHPH loan processing. For regional dealerships aspiring to expand geographically, Autodeals offers a systematic approach to growth. Small and medium-sized dealerships aiming for operational excellence and wishing to utilize modern customer communication and digital retailing should consider partnering with Autodeals. BHPH dealerships looking to cut their collection efforts by half will find Autodeals to be an ideal choice. Furthermore, dealerships that want to maintain daily financial accuracy should explore how Autodeals can automate 53% of accounting transactions while providing insight into ongoing operations. Additionally, dealership owners focused on minimizing fraud within their enterprises will appreciate that Autodeals has been developed by dealers with a deep understanding of their unique challenges. This dedication to dealer needs ensures that Autodeals remains a trusted partner in navigating the complexities of the automotive industry.

Advanced Payment Processing Gateway Equipped with Enterprise-Level Capabilities and Instantaneous Analytics. This platform ensures seamless transactions while providing businesses with valuable insights in real-time.

Computop offers its clients cutting-edge omnichannel payment processing and fraud prevention solutions tailored for both ecommerce and point-of-sale transactions. With the Computop Paygate, businesses ranging from retailers to service providers and industrial firms can select from an extensive array of over 350 payment options. Operating on a global scale, Computop has established a presence in both Germany and the United States. For more than 25 years, the company has partnered with prominent international brands, including C&A and Fossil. Each year, Computop facilitates transactions totaling USD 33 billion across 127 different currencies, showcasing its significant impact in the payment processing industry. This extensive experience underscores Computop's commitment to delivering reliable and innovative financial solutions to its diverse clientele.

ChargeOn is a 100% Salesforce-native payment processing and orchestration platform built by Cyntexa. Available on the AppExchange, it works entirely inside your Salesforce environment, so your business can collect, automate, and manage payments without switching to an external tool or losing data between systems. Whether you're running recurring subscriptions, collecting one-time payments, managing overdue accounts, or sending payment links to customers, ChargeOn handles it all. It connects with 16+ payment gateways, supports multiple payment types and billing models, and keeps every transaction, refund, and record cleanly inside Salesforce. For any business that processes payments through Salesforce and wants full control and visibility, ChargeOn is built exactly for that. Here are a few versatile features that only ChargeOn offers: Payment Gateway Fallback Mechanism: If your primary gateway fails, ChargeOn automatically reroutes the transaction to a backup payment gateway, in priority order. No revenue lost, no manual intervention needed. Upfront Instalment: Collect a deposit immediately at signup and let ChargeOn automate the remaining instalments on schedule. Error Logs: Every gateway error, API failure, and payment issue is automatically logged inside Salesforce, so your team can diagnose problems without involving a developer. Pre-Charge Customer Email Notification: Customers receive an automated email before every scheduled or recurring charge. This gives them time to update their payment details and reduces failed transactions. Payment Method Active/Inactive Status Management: Saved payment methods carry Active and Inactive statuses. Only Active methods appear during payment, and cards are marked Inactive. Contact us to know more about ChargeOn.

CARDZ3N facilitates international transactions for various payment methods, including credit cards, ACH, SEPA, and over 140 cryptocurrencies. The platform specializes in handling payments for high-risk sectors and emerging markets, covering areas such as CBD, cryptocurrency exchanges, gambling, and travel, among others. Additionally, CARDZ3N provides a competitive Stripe Alternative, with fees beginning at 2.25% for non-profits and 2.75% plus $0.25 for e-commerce businesses. Beyond these services, CARDZ3N also presents a range of payment solutions, including options for ACH, payroll and HR services, employee benefits, and business capital support. At CARDZ3N, our goal is to address the critical challenges faced by our diverse clientele, regardless of their size. It is our distinctive methodology that sets us apart and defines our unique value proposition in the market.

NETePay Hosted is a comprehensive payment solution that facilitates payment processing and token management across various environments, including brick-and-mortar stores, online platforms, mobile apps, and automated systems, all managed through Datacap's centralized portal. With compatibility for nearly every payment processor in North America, Datacap provides an extensive range of plug-and-play EMV-compliant devices sourced from leading manufacturers. Their integrated payment solutions effectively unify in-person, unattended, mobile, and online transactions, guaranteeing a consistent payment experience across all channels. Customers have the flexibility to purchase, configure, and oversee Datacap products at any time via a specialized product portal. In addition, Datacap partners and their merchants enjoy real-time reporting features available around the clock. The platform supports remote adjustments of settings, pad flows, key injection, and other essential functionalities. Moreover, processor-specific encryption methods ensure that card details are kept secure throughout the transaction process, being encrypted at the point of sale and decrypted only at the NETePay Hosted, thus reducing unnecessary data transfer points. By enabling both contact and contactless EMV (chip card) certifications for stationary and mobile devices, the platform significantly decreases the likelihood of card-present fraud, thereby bolstering transaction security. This holistic strategy not only solidifies Datacap's position as a frontrunner in the payment sector but also adapts to the dynamic demands of businesses and their customers. As technology continues to advance, Datacap remains committed to providing innovative solutions that meet the challenges of modern payment processing.

Our credit card processing solution is designed to work seamlessly with a diverse array of terminal and software options, including both mobile and EMV technologies. Regardless of your existing system, we can easily adapt to meet your needs. Our dedicated eCommerce team collaborates with you to identify the ideal online platform that ensures smooth payment processing and keeps you aligned with the latest technological advancements. Setting up an online store and integrating credit card processing is a straightforward process. Our primary objective is to equip you with all the necessary tools and support for running a thriving eCommerce enterprise. We pride ourselves on delivering exceptional service and providing free consultations at any time of the day. The BLUE POS All In-One system offers a comprehensive solution for managing your payment processes, boosting sales, and streamlining your operations right from the start. It features wireless connectivity to EMV/NFC payment devices and comes with optional peripherals, making it an excellent choice for businesses looking to enhance their transaction capabilities. Additionally, our commitment to customer satisfaction ensures that you will always have access to the resources you need to succeed.

AlphaPoint is an international fintech firm that delivers digital asset infrastructure designed to support the evolution of exchanges, brokerages, payment systems, and financial institutions. We offer a comprehensive range of products that ensure secure, reliable, scalable, and adaptable solutions for various financial services, including trading, payments, lending, and custody, among others. Our commitment to innovation drives us to continuously enhance our offerings to meet the dynamic needs of the industry.

CoreWallet is a versatile software framework designed for developing solutions in e-money management, virtual account management, and online payment processing, catering to a wide array of businesses including e-commerce, retail, and small enterprises. It serves various industries, such as: - E-commerce platforms and online marketplaces in need of specialized payment orchestration technology - Fintech firms that are required to adhere to AML regulations, PCI DSS, and KYC standards within their systems - Service providers aiming to develop a white-label payment gateway or eWallet solution for distribution to other businesses - Financial institutions looking to enhance their offerings with modern supplementary services - Along with numerous other applications CoreWallet offers essential infrastructure, which encompasses components like accounting/subledger, management of user data, standardized wallet financial processes, and integration with external payment systems, all of which can be tailored and expanded by the products that leverage it. Additionally, the detailed online documentation portal provides comprehensive insights into CoreWallet's modules and functionalities, ensuring users can maximize the framework's potential.

NMI Gateway is a purpose-built, partner-first payments platform that delivers white-label, omnichannel infrastructure across every merchant environment. Designed for ISOs, banks, fintechs, software companies and SaaS platforms, it empowers partners to offer secure, scalable, and customizable payment acceptance to their merchants. NMI does not sell directly to merchants; instead, it powers 4,000+ partners serving more than 1 million businesses worldwide. Unlike gateways that are tied to a single processor or acquirer, NMI gives partners complete control over branding, pricing, and merchant relationships. With over 150 processor connections, 125+ shopping cart integrations, and compatibility with 235,000+ payment devices, NMI Gateway provides unmatched flexibility across retail, e-commerce, in-app, mobile, and unattended payment environments. Its flexible APIs, SDKs, and webhooks allow developers to embed and scale payments quickly, manage multi-MID configurations, and create dynamic routing strategies that optimize performance and reduce vendor lock-in. Value-added modules extend its capabilities even further. Shopify integration supports embedded commerce experiences, while Bill Connect syncs payments with leading accounting platforms such as QuickBooks and Xero. Additional tools like network tokenization, recurring billing, and advanced fraud prevention strengthen security, reduce churn, and enhance transaction success rates. Centralized reporting and analytics give partners real-time insights into performance and transaction trends across channels. Processing over 5.8 billion transactions annually and powering more than $440 billion in payment volume, NMI Gateway transforms payments from a back-office function into a revenue-generating growth engine. With its modular design, global scalability, and partner-first approach, NMI enables businesses to innovate faster, retain customers longer, and deliver frictionless

"Our aspiration is to establish a digital platform framework that revolutionizes payment and banking solutions for businesses globally. We aim to foster economic advancement through innovative digital platform and API development tailored for all enterprises. Our journey commenced with the launch of payment solutions enabling businesses to accept digital transactions seamlessly. However, we soon recognized that the vastness of this market would prevent us from reaching every business on our own. This insight inspired us to develop a white-label payment aggregation solution, allowing companies worldwide to facilitate digital payments. With our ready-made platform and the extensive expertise of our skilled team, businesses can now reap significant benefits. Today, we proudly stand as a leading force in this sector, with numerous companies across the globe choosing to leverage our services for their digital payment needs."

TANGO is an innovative payments solution crafted to address the changing needs of modern businesses, utilizing state-of-the-art technology. Its core design is based on principles that provide remarkable flexibility in choosing the platform, database, and operating environment, catering to a wide array of hardware and software preferences. Constructed on a strong micro-services framework, TANGO facilitates agile business functions through a suite of independent services that work in harmony, enabling distinct development, deployment, and operational processes. This methodology, referred to as Component-Based Software Development (CBSD), notably lowers both development and upkeep costs, leading to faster market entry and a sustainable, economical payments solution. Additionally, TANGO's versatile architecture effectively tackles integration issues associated with various legacy systems, allowing for implementation across multiple hardware platforms from different vendors, thereby boosting operational efficiency and scalability. Ultimately, TANGO not only streamlines payment processing but also equips businesses for future expansion by optimizing their financial transaction workflows, ensuring they remain competitive in a rapidly evolving marketplace.