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Top Rated Billing and Invoicing Software with Open source - Page 23

Last updated: July 2026

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976 software options

MoonClerk logo

One-off and recurring payment management system

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MoonClerk is a cloud-based billing and online payment solution which enables users to create online payment forms for and receive one-off and recurring payments

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Express Invoicing logo

The easiest and most complete invoicing system

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Lets you create invoices then print, email or fax them directly to your clients for faster payment. Available on PC & Mac.

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Sage Network logo

Lockstep is AR automation that works as hard as you do.

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Lockstep automates the billing & invoicing process by automatically tracking aging invoices and sending personalized emails, text and calls that guide customers to a payment portal. Our solution accelerates cash flow, lowers costs, focuses staff on high priority task, and makes customers happier.

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Rillion logo

Easy to use AP automation with invoice capture and workflow.

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Rillion is for finance administrators who want invoice scanning and approval workflow to make accounts payable easier to manage. Approve invoices on mobile or laptop. Easy to use, fast setup!

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Freckle logo

Time tracking software

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Freckle provides details about the number of working days and time spent on various projects in each working day. It also includes expense tracking, invoicing, import from other time tracking applications like Basecamp, and integration with GitHub and Beanstalk for developers.

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Sage 50cloud Pastel logo

Effortless accounting for growing businesses.

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Sage 50cloud Pastel Partner is a powerful desktop accounting solution connected to the cloud, offering in-depth stock and reporting features. It provides smart cloud-connected accounting software with productivity-boosting features like direct bank feeds, cloud document storage, and integrated payments. Sage 50cloud Pastel Partner helps growing businesses run their operations more efficiently with its time-saving solutions for managing accounting, invoicing, cash flow, inventory, and VAT.

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NextGen Healthcare Practice Management logo

Medical practice management software

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All-in-one PM that automates routine medical processes

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Fitnet Manager logo

ERP software for managing administrative operations

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Fitnet Manager is an enterprise resource planning (ERP) software that enables marketing agencies, consulting firms, and architecture, engineering, software, and IT service companies to manage and automate administrative operations related to contracts, projects, billing processes, and more

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MyUser logo

Payment processing for Zelle, Wire, and Fednow.

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MyUser is a cloud-based payment processing solution, which helps small to large businesses manage online transactions, chargebacks, financial frauds, and more. The platform offers various features such as real-time status updates, APIs, and reporting. It also facilitates third-party integration with various applications such as Shopify, WordPress, and more.

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VatPay logo

Recurring Payments, Online Billing and Invoicing for B2B SMB

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Online Billing, Invoicing, Accounting, Project Management, Time Tracking, Team Collaboration, Receipts and Expenses Management and many more.

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Zadinga logo

Turn your mobile phone to a powerful shop management system

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Shop management app for retailers to digitize their business - inventory management, billing and payments, online store creation and hyper-local delivery.

All in One App Only.

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SparcPay logo

Making approvals and payments seamless and easy.

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SparcPay is a platform that makes approvals and payments easy and seamless. It integrates with various accounting software to provide end-to-end accounts payable automation, including digitally capturing and analyzing bills using AI, enabling users to review and

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Timegate logo

Software for managing recruitment process

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Timegate helps hire and retain talent
Timegate helps reduce costs and increase compliance
Timegate enables you to win more business and retain clients
Timegate connects and mobilises your entire workforce

Combine scheduling, payroll, compliance and employee engagement essentials in one platform

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Infor SunSystems logo

Financial management software that can adapt to any market

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Infor SunSystems is designed to help businesses handle accounting management, including nominal ledger, payables, and receivable ledgers, cashbook, multi-currency, and multi-dimensional analysis from one single source.

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Hopscotch logo

Connect, transact, and grow your business.

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Hopscotch is an all-in-one invoicing and bill pay solution for small businesses.

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Crunch logo

You live life. We do the numbers.

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Crunch is a groundbreaking online accountancy firm for freelancers, contractors and small businesses. By combining accredited, award-winning in-house accountants with real-time cloud software.

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Billed logo

Invoicing & accounting software for small businesses

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Billed is an invoicing and accounting software designed for small businesses to get paid faster. It offers features such as online invoicing, expense tracking, time tracking, recurring invoices, and credit card payments to streamline financial management. Billed also provides project management tools, financial reporting, and the ability to manage multiple businesses from a single platform, empowering small business owners to focus on growth.

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Unit4 Financials by Coda logo

Cloud-based financial management and accounting software

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Unit4 Financials is a cloud-based financial management and accounting software that assists with accounting, procurement, billing, and asset management.

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Primavera EXPRESS logo

Free program designed for business invoicing.

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Primavera EXPRESS is a POS software, free to download for local installation on any computer. It enables SMEs and freelancers with limited invoicing volume to make invoices, receipts, delivery notes, payments, credit notes, and other commercial documents. Supports invoice customization.

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Transformify logo

HR suite for recruitment and employee onboarding

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Streamline your financial operations with Transformify's advanced billing and invoicing solutions. Our platform facilitates seamless onboarding, compliance, and payment automation, allowing businesses to save up to 60% on workforce management costs.

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Raseed logo

Raseed: Smart Billing for a More Organized Business Flow

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Raseed offers powerful billing and invoicing software for businesses. Create GST-compliant invoices, manage accounts, track inventory & boost sales with ease.

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GetMyInvoices logo

Cloud-based invoice management for small businesses

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GetMyInvoices is a cloud based invoice management and automated bookkeeping tool for freelancers, entrepreneurs, and small teams

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SpreadOffice logo

Cloud-based business management tool

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SpreadOffice is a cloud-based business management tool that assists with the creation of accounting forms such as purchase orders, and invoices. Users can generate reports and customize estimates and invoices according to the organization's format.

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easybill logo

Comprehensive cloud-based software designed for invoicing

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easybill is software for writing invoices with product and customer management features. There are interfaces available for Amazon, eBay, Shopware, Shopify and others. Easybill can issue alerts and reminders automatically. Data is imported in CSV and XLS formats or via REST API.

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Vendr logo

Procurement and SaaS Management Software

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Vendr, a Vertice company, is a leading authority on software pricing and negotiation intelligence.

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