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Top Rated Billing and Invoicing Software with Open source - Page 25

Last updated: October 2026

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1130 software options

Hopscotch logo

Connect, transact, and grow your business.

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

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MoonClerk logo

One-off and recurring payment management system

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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Crunch logo

You live life. We do the numbers.

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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Vendr logo

Procurement and SaaS Management Software

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

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UXBI logo

Software UXBI ERP-CRM

Intuitive and easy to use mobile application. Control your quotes, orders and follow-up to your customers

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Billed logo

Invoicing & accounting software for small businesses

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

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.

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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Raseed logo

Raseed: Smart Billing for a More Organized Business Flow

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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KidKare Accounting logo

In-home childcare solution for daycare businesses

Automate daycare expenses and payment process with KidKare Accounting! Accept payments from parents, track income, record business expenses (mileage, vehicles, time/space) for tax purposes. Streamline your financial management. #ChildcareAccounting

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Transformify logo

HR suite for recruitment and employee onboarding

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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Simplero logo

All-in-one marketing software

Simplero is a single software for your website, sales funnels, email marketing, online courses, and membership sites.

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SpreadOffice logo

Cloud-based business management tool

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

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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Invoice Expert logo

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myBillBook logo

Cloud-based billing & accounting management software

myBillBook is a GST billing and accounting software designed for small businesses to simplify their billing & management. Offering customized invoicing, e-invoicing, and expense tracking, it supports inventory management, purchase recording, and payment reminders.

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TrueRev logo

GAAP revenue recognition and financial metrics for B2B SaaS

TrueRev delivers real-time, accurate revenue recognition, recurring billing, contract management and financial SaaS metrics at a fraction of the cost of enterprise-level software.

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cleverbridge logo

Cloud-based eCommerce and recurring billing platform

cleverbridge is a cloud-based eCommerce platform designed to help businesses of all sizes streamline billing, marketing, customer management, and payment processing operations. The application allows enterprises to convert leads into customers, enhance retention rates, and ensure compliance with industry regulations.

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iBE.net logo

Integrated Business Environment

Manage T&M, fixed, retainer, milestone, % completion, advanced payment, not-to-exceed contracts and more using the most flexible pricing & billing in the market

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authorize.net logo

Payment processing across multiple channels

authorize.net supports payment processing by helping businesses accept credit card and eCheck payments online, in person, via mobile devices, and more. The product offers a range of features, including online payments, mobile point of sale, virtual point of sale, phone payments, eCheck payments, digital invoicing, and fraud protection. It provides account updater and recurring payments capabilities to help businesses manage payments.

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GetMyInvoices logo

Cloud-based invoice management for small businesses

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

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Ivalua logo

ALL Spend, ALL Suppliers, ONE Platform

Ivalua is a cloud-based Source-to-Pay platform powered by AI Agents. Recognized as a leader by Gartner and Forrester, Ivalua empowers organizations to enhance spend visibility, automate procurement processes, manage contracts, & improve supplier collaboration across the entire purchasing lifecycle.

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Acumen logo

Everything you need for an exceptional point of sale system

Acumen is an accounting software that helps enterprises manage and streamline accounting operations on a centralized platform. It enables organizations to perform in-depth reporting and data analysis, facilitating business operations.

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F-Billing Revolution logo

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ECOUNT logo

100% Cloud-based ERP for small & mid-sized businesses.

Ecount ERP is a fully integrated, web-based accounting, inventory, sales, purchasing and production management software for small and mid-sized businesses. The enterprise resource planning (ERP) tool allows users to manage all aspects of their business, both front and back office, from one platform.

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