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Top Rated Billing and Invoicing Software with Open source - Page 7

Last updated: July 2026

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977 software options

Blinksale logo

The easiest way to invoice online

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Blinksale is a cloud-based app that helps everyone who needs to invoice clients for services or products sold. Blinksale is an excellent choice for attorneys, accountants, designers, IT professionals, software developers, journalists, contractors, engineers, architects, videographers, and more.

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billbee logo

Cloud-based eCommerce solution for multichannel retailers

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Billbee is an intuitive order processing and inventory management solution that helps multichannel retailers, D2C-brands and Amazon FBA merchants utilize several interfaces to marketplaces, shops, payment, shipping. and fulfillment providers.

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BitFactura logo

BitFactura is a blockchain-based accounting system

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BitFactura is a blockchain-based accounting system that automates the process of financial reporting and tax calculation. It is deployed as an enterprise application in the cloud, and it can be accessed via a web browser or through a mobile app.

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Billtrust logo

A/R Automation Suite

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Billtrust is an A/R automation suite that includes modules such as eCommerce, credit, invoicing, cash app, collections, and more.

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ExxpertApps logo

All-In-One Next Generation Enterprise Application in Cloud

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ExxpertApps is a cloud-based application which improves the business results in the areas of development, sales, marketing, and invoicing.It helps to manage, contacts, customers, providers, and enterprise communications.It is used by large and small enterprises as departmental and core systems.

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InvoiceBerry logo

Online invoicing & expense tracking for SMBs and freelancers

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InvoiceBerry offers online invoicing & expense tracking for small businesses, freelancers and sole traders

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PROMYS logo

Cloud-based CRM, Help Desk, and PSA software.

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Recurring billing, progress & milestone billing, automated invoice requests from tech's or PM's are all supported, as well as multi-currency.

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Tallybreeze logo

Streamlined Airbnb & Vrbo accounting automation.

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Tallybreeze is an Airbnb, Vrbo and Vacation Rental accounting automation software that connects with QuickBooks Online and Xero accounting software for automated importing of detailed bookkeeping and seamless reconciliation of reservations and payments.

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Stafiz logo

ERP for professional services organizations

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Stafiz is a cloud-based platform for professional services organizations designed to help increase collaboration, productivity, reporting and gather your collaborators on a single environment, including management, teams, and contractors, and increase your overall visibility

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Altoviz logo

Boost your business

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Altoviz is a cloud-based billing and invoicing solution, which helps small to large businesses manage online payments, expenses, accounting procedures, and more. The platform offers various features such as activity tracking, treasury, pre-made templates, document management, and quoting.

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Trimble Pay logo

Focus on building. Not billing.

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Flashtract is a billing document management solution built to keep your office moving efficiently. Subs get paid faster and spend less time on payment applications, while general contractors can collect, review, and approve subcontractor payment applications, lien waivers, and other required billing

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Jim2 Business Engine logo

Software For Life

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Jim2 Business Engine is a leading all-in-one ERP solution designed for stock-oriented businesses with 20+ employees. It integrates accounting, stock control, purchasing, and sales, enhancing efficiency and visibility. With cloud or on-premises deployment options and a mobile app.

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Toolcie logo

Quoting and Invoicing Software

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Toolcie is a quoting and invoicing software. It includes everything needed to manage quotes, estimates, and invoices to boost productivity. Toolcie also provides detailed statistics for an entire company.

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Zoho Workerly logo

Temporary staffing solution for agencies

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Zoho Workerly is a platform built for temporary staffing agencies to help streamline job scheduling processes. Recruiters can manage client and temporary workers databases, schedule jobs based on client requirements, generate timesheets, and send out invoices from within one interface.

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Recur logo

Simple Association Management

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Recur simplifies association management with automation, insights, and tools to engage, retain, and grow your members

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CSP Control Center logo

Pure-play CSP Billing Automation

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CSP Control Center is a Microsoft CSP management platform for billing automation, margin tracking, renewal management, and real-time analytics. It helps CSP partners streamline operations, improve efficiency, and maximize profitability across multiple tenants.

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CosmoLex logo

Web-based legal practice management & accounting software

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CosmoLex legal timekeeping & billing software catches every billable item: meetings, tasks, even time on email & research. Get bills out in just one click.

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IntegriBill logo

Helps start-ups and established providers "get it right."

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IntegriBill is an accurate, affordable, feature-rich billing and customer care software for Telcos and MSPs. It benefits customers with affordable conversions, low monthly minimums, exceptional customer support, and nominal setup costs.

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Dinvy logo

Simple, clutter-free time tracking and billing software.

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Dinvy Ascent is FREE time and billing software without limitations. Easily turn your hours into T&M or Fixed Fee invoices. Keep tabs on project budget, estimated hours, profit and margin with advanced dashboards. Plus enjoy unlimited data, open API, webhooks and auditing capabilities.

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Candis logo

Automated invoice management for SMBs and finance teams

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Automated invoice management for finance teams and suited for small and medium-sized businesses. Teams can upload, approve, and, export invoices with just a few clicks.

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PayEm logo

Global spend & procurement platform

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Go beyond the tired billing & invoicing procedures with PayEm. PayEm's platform simplifies bill payments, whether done by credit card or ACH. The platform allows for digital uploads of vendor invoices, automatic payment scheduling & customized approval flows, using streamlined NetSuite integration.

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Opsyte logo

The hospitality tool

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Opsyte is an online portal dedictated to optimising back of house tasks in any hospitality setting.

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Teamogy logo

All-in-one cloud platform for projects, finances & teams

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Teamogy is a secure all-in-one cloud platform for managing projects, finances, documents and teams. Includes budgeting, time tracking, invoicing, reporting, integrations and automation. Accessible anytime, scalable for startups to enterprises.

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ApprovalMax logo

Robust financial controls made easy

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ApprovalMax is an award-winning B2B software platform used by businesses around the world to build robust financial controls. It streamlines the approval process by allowing users to create automated workflows to approve bills and invoices.

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Beam logo

AI-powered Construction Estimating and Project Management

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Beam streamlines construction invoicing with professional progress, milestone, AIA, and cost-plus invoices. Shift from paper checks to fast, secure online payments. Automated reminders and real-time tracking speed up payments, improve cash flow, and enhance communication with clients.

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