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Top Rated Payment Processing Software with Open source - Page 20

Last updated: November 2026

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706 software options

PayU logo

Global reach, Local expertise

PayU is a payment processing platform that enables global reach with local expertise through full payment methods coverage. PayU ensures the highest possible approval rates with the lowest fees and highest level of security – with a single API connection.

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Zoho Books logo

Online accounting software for businesses of all sizes

Zoho Books is an online accounting software designed to streamline back office operations, automate workflows, and allow secure collaboration with accountants

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Sezzle logo

Payment processing platform

Sezzle is a payment processing solution that helps merchants manage options for buying now and paying later via installments. It offers mobile applications for Android and iOS devices, which allows users to handle payments and view specific brands according to requirements.

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GoSite logo

Online Storefront for service-orientated businesses

GoSite is an online storefront that allows service-orientated businesses to market and sell services online.

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GoCardless logo

The easy way to get paid.

At GoCardless, we believe bank payments are the best way to pay and get paid. Over 100,000 businesses around the world use GoCardless to collect and send account-to-account payments confidently and securely - without the chasing, stress, or hidden fees.

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Helcim logo

Billing, Invoicing and Payment Processing with Helcim

Helcim offers a complete and affordable in-person payment solution for any business. Easily accept payments in-store, on-the-go, or online. Helcim’s better payments means no contracts or monthly fees, better pricing, and great customer service.

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Pushpay logo

Giving and engagement management for churches

Pushpay’s nonprofit giving platform boosts donor retention by connecting with your donors in a more meaningful way.

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Revolut Business logo

Expedite your expenses with the all-in-one business account

Revolut Business is designed to streamline your business operations. Scale — and save — with multi-currency accounts, company cards, spend management tools, seamless integrations, and more. Join the hundreds of thousands of businesses worldwide who use Revolut Business to expand with ease.

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Worldpay for Enterprise logo

Online global payment gateway

Worldpay is a global payment gateway and solutions provider with products and services for SMEs and large enterprises, from card payments to fraud management.

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Service Fusion logo

Field service management for contractors

Service Fusion is a field service management software designed for service businesses and contractors. The platform features drag-and-drop scheduling, GPS fleet tracking, customer management tools, and automated invoicing with payment processing capabilities. It includes a mobile app that allows technicians to view schedules, create estimates, close work orders, and accept payments in the field while providing real-time status updates.

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Wave logo

Accounting, invoicing, and payroll management platform

Wave is an integrated solution designed for small businesses. With our automatic bank connections, information flows into Wave, without manual entry. Users can collaborate with accountants or bookkeepers in real-time.

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ROLLER logo

Payment processing, venue and ticketing management platform

ROLLER is a cloud-based software solution for attractions, entertainment and leisure venues to help businesses deliver improved guest experiences.

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Oracle Textura Payment Management logo

Construction payment management solution

Oracle Textura Payment Management is a construction payment management solution that manages cashflows, billing & invoicing, waiver management, electronic payment processing, construction accounting insights, and more. The system comes with ERP and other accounting integrations to increase financial visibility and accurately create invoices for time and labor. Additionally, Oracle provides a collaborative dashbaord for subcontractors and project teams to ensure compliance across the board.

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Thryv logo

AI-powered software built for small business growth.

Thryv is the AI-native growth platform that helps small businesses get found online, attract more customers, and grow with confidence.

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CardConnect logo

Cloud-based payment processing tool for retailers.

CardConnect is a cloud-based payment processing solution that allows businesses to accept payments in-store and online. It's ideal for any business that needs to accept credit card payments, including restaurants, retailers, small businesses, and nonprofits.

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NetSuite logo

AI-powered cloud-based business management suite

NetSuite is an AI-powered cloud-based business management suite. It helps organizations streamline their operations and gain real-time insights into their performance. The suite caters to a range of industries such as manufacturing, retail, and professional services.

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QuickBooks Online logo

Accounting and business management software

QuickBooks Online is an all-in-one online business software designed to help manage business finances. The platform is built to scale businesses, unlocking insights and providing the functionality of a larger team, all on one integrated platform.

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Mollie logo

Cloud-based payment processing software

Mollie is a payment and financial solutions platform that simplifies transactions for businesses of all sizes. Its solutions cover online and in-person payments, recurring billing, fraud prevention, and financial services, all accessible through a centralized dashboard.

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Lavu logo

Cloud-based iPad POS system for the restaurant industry

Lavu is an iPad-based restaurant POS system designed for various food service establishments including full-service restaurants, cafes, and food trucks. The platform offers integrated features such as dual pricing options, online ordering, kitchen display systems, and automated payroll processing. Restaurant operators can manage their business remotely with detailed reporting tools while benefiting from customizable menu modules that allow for quick adjustments to inventory and pricing.

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PointOS logo

Point your restaurant in the right direction with PointOS.

PointOS is a point of sale solution that helps restaurants manage operations, inventory management, and customers. The platform enables users to design day-to-day operations with sales analytics, profit management, and in-depth labor reports.

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Veem logo

Cloud-based payment processing and invoice management tool

Veem offers advanced payment processing technologies that help business owners establish or strengthen stakeholder and supplier relationships. Key attributes include payment analytics, invoicing, receipt printing, MIS reports, multiple payment methods, purchase order control, and bookkeeping.

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Fishbowl logo

Simplify, automate, and elevate your inventory management

Designed with simplicity and efficiency in mind, Fishbowl’s complete manufacturing and inventory management solution transforms the inventory process and uses automation to help growing businesses make strategic and precise decisions based on real-time data and cut costs.

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SpotOn logo

Restaurant POS for payment processing

SpotOn Restaurant is a cloud-based point of sale (POS) solution designed to help small to medium businesses in the hospitality industry streamline online payments, tableside orders, and fraud protection. The labor management module lets users handle employee hours, gratuities, shifts, and more.

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Elavon logo

Payment processing and chargeback management software

Elavon offers payment processing solutions for businesses to accept payments in-person, online, and on-the-go. The platform features advanced security to protect data, customized reporting for insights, and industry-specific solutions for sectors like retail, healthcare, and hospitality. Recognized by Forbes as a top credit card processor in 2024, Elavon provides 24/7 customer support for merchants.

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Fatture in Cloud logo

Invoicing software

The invoicing software that helps you manage your business. Fatture in Cloud includes e-invoicing, quotes, payments, reports on business performance, and more.

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