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Top Rated Billing and Invoicing Software with Open source - Page 36

Last updated: July 2026

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977 software options

PayXT logo
(0)

Text to pay invoicing for mobile professionals

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PayXT is a mobile invoicing app for contractors and service professionals to generate payment links via text. It integrates with Stripe and PayPal to create secure checkout links sent through SMS, featuring tax calculation and support for payment methods like Apple Pay and Google Pay. Available for iOS and Android, PayXT serves industries such as HVAC, plumbing, electrical work, and auto services.

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Comarch ERP XT logo
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Cloud-based solution to streamline invoicing processes

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Comarch ERP XT is a cloud-based solution designed for small businesses that helps generate invoices and manage warehouses and accounts via a unified platform.

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Open Envoy logo
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Audit every invoice before you pay with 100% accuracy

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OpenEnvoy creates end-to-end visibility, greater operational efficiency, & improved cash flow for finance leaders and teams.

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RunSensible logo
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Empower Your Law Firm & Simplify Your Practice with One Seam

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RunSensible simplifies legal management with features like time tracking, accounting tools, and case management. It's accessible on desktop and mobile, fosters collaboration, and streamlines processes for legal professionals. RunSensible also offers customizable templates and electronic bill payment

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HEALTHsuite Advantage logo
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Healthcare payer software and services

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A health payer solution designed to facilitate Medicare and Medicaid administration, as well as provide automation across the health plan enterprise

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OneFinOps logo
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Finance and compliance operations platform

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OneFinOps is a financial operations platform unifying accounts payable, receivable, expense management, e-invoicing, tax reconciliation, and compliance tracking. It features OCR for invoice processing, automated workflows, GST/TDS reconciliation, and compliance deadline tracking. Tools include vendor payments, collection reminders, expense reimbursements, and document management with virtual data rooms.

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Nue logo
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Cloud-based revenue lifecycle management solution

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Nue is a Quote-to-Revenue Lifecycle Platform that enables B2B firms to unify their sales, RevOps, and billing without leaving Salesforce.

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Gem Logic logo
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Gem Logic, jewelery business software

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Gem Logic offers cloud-based software for jewelers, creators, gem traders, goldsmiths, and workshops. It provides comprehensive management of stock, orders, invoicing, POS, repairs, certificates, CRM, and more.

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Kolmisoft M4 SBC logo
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Telephony and VoIP software

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Kolmisoft M4 SBC is a VoIP solution that helps telecommunication service providers automate VoIP billing, routing, and invoicing processes. Key features include real-time billing for both prepaid and postpaid services, multicurrency support, VAT accounting, and comprehensive financial analysis tools.

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Phase0 logo
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Tracking costs seamlessly across all project phases.

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Phase0 is a cloud-based AVA, HOAI, and construction log software solution for small and medium-sized architecture and engineering firms—with AI features integrated directly into the workflow.

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Optillio logo
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software for businesses for scheduling, invoicing, quoting

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Online software - Scheduling for employees - agile planning of field teams - invoicing and billing.

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Handle logo
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Handle simplifies construction payment compliance.

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Handle is used every day by the biggest names in construction to protect, secure, and collect their payments.

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Caree logo
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Optimize your working time with Caree.

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Caree is a mobile and web-based software application for CPAM-approved teletransmission. It offers an automated scheduling system to help taxis manage their bookings and schedules, as well as a feature for sharing rides and transport documents between taxis.

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Invoxo logo
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AnyHow logo
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Cloud-based business management solution

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Cloud-based business management solution that helps freelancers, solo entrepreneurs, and businesses manage project communications, invoicing, reporting, and other operations.

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Fatura Simples logo
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Integrated platform for handling recurring invoices

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Fatura Simples is a recurring invoice management tool that makes it possible for companies to automate operations and track invoicing stages such as issuance or bank reconciliation. Integration with ERP and CRM systems is possible via API.

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Prommt logo
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Cloud-based payment processing solution

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Prommt is a cloud-based processing software that allows businesses to request, collect, and track remote payments from their customers.

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Cute Profit logo
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Cloud Accounting Software

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Cute Profit is a cloud accounting software that helps you keep track of your income, expenses and transactions.

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Alevate Bill Pay logo
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Software for managing bill presentation & payment processing

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Alevate Bill Pay is a cloud-based software that allows businesses to manage bill presentation and payment operations. Billers can easily collect payments from customers, whether the payment is a one-time transaction or a recurring payment.

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WORK 365 logo
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Cloud-based billing and invoicing tool for Microsoft Cloud.

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WORK 365 is a cloud-based billing and invoicing solution that helps businesses automate subscription management Microsoft Cloud platform. The platform helps MSP and ISV companies streamline their processes, manage customer engagement, automate payments, and more. It allows users to optimize invoice generation, support multi-region/currency billing, and manage various subscription types such as recurring, usage-based, and add-ons.

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BillFin logo
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Cloud-based billing and invoicing software

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BillFin is a cloud-based billing software designed to simplify the billing process for financial advisors and planners. It enables users to set up their firm to bill quarterly or monthly. It allows them to establish default billing rules at both the firm and household levels. Staff members can customize billing rules such as advance vs. arrears billing and choose whether billing applies to the entire firm or specific households.

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1FAKTURA logo
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Slovak invoicing, ready for e-faktúra 2027

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1FAKTURA is a web-based Slovak invoicing platform for the e-faktúra 2027 / Peppol era. Create invoices, quotes and orders; export UBL 2.1 / EN 16931; send via Peppol BIS 3.0; generate QR PAY codes; sync WooCommerce, Shopify, OpenCart & Shoptet orders. Free Štart plan, from €3.59/mo.

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Value Payment Systems logo
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Billing and payment processing solution for organizations

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Value Payment Systems is a cloud-based payment management solution, which helps businesses process electronic payments through various modes including website, mobile, POS, and voice. Key features include transaction tracking, mobile-optimized payment gateways, online tax payment, and reporting.

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Macompta.fr logo
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French-language accounting, invoicing & collection solution

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macompta.fr is a modular accounting, invoicing & collection web-based solution. It is aimed at entrepreneurs, small businesses and associations based in France.

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brainX logo
(0)

Revenue CRM for SaaS billing, forecasting & payments

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CRM-based SaaS platform for automated billing, real-time forecasting, and cashflow control. Includes 25 plug-and-play automations, REST API, Mollie, Jira & DATEV integrations, and secure role-based access.

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