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Top Rated Billing and Invoicing Software with Open source - Page 39

Last updated: May 2026

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961 software options

Stann logo
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Cloud-based business management software

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Designed for organizations of all sizes, Stann is a business management software that helps schedule appointments, plan recurring tasks, issue invoices, edit quotations, and more. It helps sales staff follow up with customers and prospects and enables technicians to report on work carried out during interventions.

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Upp logo
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CRM, income & expense tracker, scheduler, invoice maker

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All-in-one super-app for small businesses & self-employed. Orders & clients management, money tracker (income & expenses), warehouse manager, scheduler & online appoinment system, documents generator (invoices, receipts, bills, estimates, contracts and so on)

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PresuClick logo
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Quote and invoicing software for small businesses

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PresuClick is online invoicing software for freelancers and small businesses in Spain. It lets users create quotes and invoices, send them via email with PDF attachments, and manage client data in a dashboard. Features include a product catalog, expense tracking with OCR for receipt scanning, customizable PDF templates with logos, and automatic invoice numbering to comply with Spanish tax rules.

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Subscript logo
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B2B SaaS metrics available instantly

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Subscript unlocks insights from B2B SaaS metrics so finance leaders can strategically guide companies. Finance leaders have instant access to ARR, LTV, CAC, NRR, GRR, and other SaaS metrics. All of which can be cut by any attribute.

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Rainex logo
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Your ideal billing and subscription management platform

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Rainex is a 30 min-to-set-up billing and subscription management platform.

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VarthagamSoft logo
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Retail billing & inventory management

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VarthagamSoft is billing and ERP software designed for retail and distribution businesses. The software includes GST-compliant invoicing, inventory management, accounting features, and barcode scanning capabilities. It supports digital bill sharing through WhatsApp, email, and SMS, along with customizable invoice formats and multiple payment modes including cash, UPI, and cards.

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Nummuspay logo
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Recurring billing and invoicing software

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Nummuspay is a recurring billing and invoicing software that helps businesses manage subscriptions, accept global payments, track billing due dates, handle tax, and more on a centralized platform. It allows staff members to set up two-factor authentication and utilize PCI-compliant payment methodologies to ensure user and data security.

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KFZ-Faktura logo
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Commercial software for companies in the automotive industry

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KFZ-Faktura is software for car dealerships. The basic version includes master data management, as well as sales and finance data. There are modules available for vehicle trading, cash registers, purchasing, time-recording, client management, form designs, task planners, and shopping basket imports.

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eNotas logo
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A digital solution for issuing electronic invoices

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eNotas is a digital tool available in the Portuguese language for issuing electronic invoices that can be integrated with different payment methods. It allows companies to detect canceled invoices and choose between automatic issuance after payment, during collection, or after warranty expiration.

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EZBeanZ logo
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Streamlined invoicing system for businesses

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EZBeanZ is an invoicing software designed to simplify the billing process for businesses. The platform offers user-friendly features including invoice generation, QR code creation, and business management tools. Users can access tutorials and business examples to help maximize their experience with the system.

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Project 2 Payment logo
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Simplified Invoicing, Payments, and Scheduling for Pros.

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Project 2 Payment is a simple, all-in-one billing and invoicing solution built for home service professionals. Create and send professional invoices in seconds, get paid instantly with Quick Pay, and eliminate late payments with automatic reminders and payment tracking.

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