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Top Rated Billing and Invoicing Software with Open source - Page 28

Last updated: July 2026

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977 software options

SimplyPayMe logo

Payment processing software for the financial sector

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SimplyPayMe is a global provider of payment technology and infrastructure. Assisting banks, fintech, and other large organizations to serve sole trader and small business communities through modular, white-labeled mobile software.

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Workiz logo

AI-enabled FSM that assists with scheduling and invoicing

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Workiz is a cloud-based and AI-enabled field service management (FSM) software that helps professionals streamline operations, including scheduling, dispatching, and invoicing.

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AccountEdge logo

Desktop accounting software for small businesses

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AccountEdge is a powerful, easy-to-use, small-business
accounting software for the Mac and Windows desktop in the United States and Canada.

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TYASuite logo

AI-Powered AP Automation & Procurement Software

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ZeroTouch Invoice Automation by TYASuite is India’s 1ˢᵗ AI-powered solution designed to eliminate manual invoice handling.

Built for mid-sized businesses, it streamlines vendor invoice processing with 99% accuracy, cutting processing time by 90%.

The system auto-captures data, validates against

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TeamSystem Enterprise logo

ERP platform for small to midsize businesses

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TeamSystem Enterprise is an enterprise resource planning (ERP) platform that optimizes and helps small to midsize businesses streamline workflows through guided configuration, centralized updates, and data security.

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Teamleader logo

Sell, bill and organise work in one place.

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Invoices, quotes, CRM, and planning. Manage your business easily in one place. Over 20,000 entrepreneurs and their teams hand over their paperwork to Teamleader's business software.

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ToolTime logo

User-friendly job management software for tradespeople

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ToolTime is a user-friendly software that revolutionises job management for tradespeople. ToolTime users can generate quotes and invoices in seconds, document jobs on the go, accurately track and manage time, schedule appointments and much more.

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IFS Cloud logo

IFS Cloud is a composable enterprise software platform.

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Composable ERP, EAM, and FSM in a single platform, powered by Industrial AI (IFS.ai), built for manufacturing, construction, aerospace, energy, telecommunications, transport.

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FastSpring logo

SaaS eCommerce tool for managing payments and subscriptions

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FastSpring is a SaaS eCommerce software designed to help businesses manage payments, subscriptions, risks, compliance, checkout processes, billing, tax collection, and more on a centralized platform. Sales professionals can accept payments via multiple channels.

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Invoice2go logo

Create & send professional invoices across every device

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Invoice2go is the all-in-one tool that helps you run your small business. Manage customer relationships, send invoices, accept payments, improve cash flow, create an online presence, and so much more. Start your free trial today!

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Ivy logo

Business management software for interior designers

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Ivy is a comprehensive business management software designed specifically for interior designers. It streamlines administrative tasks such as project management, document organization, payment processing, and client collaboration, allowing designers to focus more on their creative work. Ivy's user-friendly features and integrations with tools like QuickBooks Online help design professionals run their businesses more efficiently.

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2Checkout logo

Online payment processing and billing platform

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Online businesses around the world sell more every day with 2Checkout payment processing. We're here to help you truly "go global" and offer a local buying experience to your customers.

Our checkout experience maximizes conversions by adapting to local languages, currencies and payment methods. It also reflects your brand, which buyers trust.

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Deltek Vantagepoint logo

Power project success

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Deltek Vantagepoint is a powerful, intuitive solution that helps people manage projects from start to finish. With full visibility of client, project and financial details, your organization accelerates workflows, maximizes productivity and realize great business results.

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Time Tracker logo

Track time for payroll, billing and productivity.

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Time Tracker + Billing keeps all of your invoices and client payments in one place. It’s a complete time and billing suite, accessible anywhere.

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Billomat logo

Accounting software and invoicing program

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With Bil­lo­mat even non-accountants can take care of all their own invoice pro­ces­sing effort­lessly – inclu­ding cust­o­mer manage­ment, estimates, invoices and remin­ders. Stress-free and secure!

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Joist logo

Cloud-based billing and invoicing platform for contractors

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Joist is a billing and invoicing platform, which assists contractors in insulation, masonry, drywall, electrical, fencing, flooring, carpentry, and other sectors with customer management, online payments, work orders, and more. Professionals can create estimates with cost markups, deposit requests, payment schedules, and job images.

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RepairShopr logo

CRM software for managing repair shops and POS transactions

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RepairShopr helps repair shops, plumbing agencies, painting contractors, HVAC services, and other businesses streamline invoicing, marketing, CRM, ticketing, and point of sale (POS) operations via a unified portal. The platform includes a self-service portal, which lets customers view and check invoices and service status and approve or decline repair estimates.

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Saasu logo

Small business online accounting

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Online invoicing, customer invoice portal, recurring billing, recurring credit card charges with your gateway.

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QuickBooks Desktop logo

Comprehensive business management solution

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QuickBooks Desktop provides a comprehensive business management solution that integrates accounting, payroll, inventory, and multiple company management functionalities. The software offers industry-specific editions tailored for manufacturing, wholesale, contractors, and accountants, with features like advanced reporting, job costing, and automated pricing rules. Users can enhance their experience with cloud hosting capabilities that enable remote access and team collaboration.

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Dynamics 365 logo

ERP and CRM applications from Microsoft

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Microsoft Dynamics 365 is a multi-language, multi-currency enterprise resource planning (ERP) software. The solution is designed for midsize and larger companies, and is fully customizable and extensible through its rich development platform and tools.

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Actionstep logo

Cloud-based legal practice management tool for law firms.

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Actionstep has an exceptionally powerful billing and invoicing system which is unmatched by competitors.

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Maxio logo

B2B subscription management, billing & financial reporting

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Maxio is an automated subscription management, billing & financial reporting platform for B2B SaaS & AI companies. Turn your complex billing headaches into critical financial insights and pave the way for your next stage of revenue growth.

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Payanywhere logo

Payment platform.

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Payanywhere is a cloud-based payment platform for owners, employees, customers and businesses. The software offers users a POS that accepts cred

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Plooto logo

Accounts payable and receivable software

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Plooto automatically syncs bills and invoices from and to QuickBooks and Xero, makes and requests payments, and reconciles all transactions back into the accounting software. Save countless hours on accounting and payment processes with Plooto.

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AdvancedMD Billing Services logo

Cloud based medical billing and claim processing software

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AdvancedBilling from AdvancedMD is a cloud based medical billing software that helps in automating and enhancing tasks related to revenue capturing

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