Intuit QuickBooks is an accounting software with financial management tools like payroll management, live bookkeeping, and flexible accounting plans for all business sizes. It provides record-keeping, reporting, inventory management, and integrates with over 750 apps.

Invoice Ninja is a free, open-source solution for invoicing and billing customers. With Invoice Ninja, you can easily build and send beautiful invoices from any device that has access to the web.

InvoicePlane is a self-hosted open source application for managing your quotes, invoices, clients and payments. The application comes with various options, templates and settings to customize your invoicing experience.

From invoicing to expense tracking to accounting, Akaunting has all the tools you need to manage your money online, for free.

Comprehensive cloud accounting for small businesses and freelancers; save time billing clients by sending, tracking, and collecting payments swiftly. Generate professional invoices, manage expenses effortlessly, track project time seamlessly, and prepare for tax with ease.

Painless invoicing with stunning customizable templates.

Crater is an open-source app made in Laravel, VueJS & React Native that helps you track expenses, payments & create professional invoices & estimates.

This is a continuation of Manta App, I'm taking care about the maintenance and new features as I need it.

Zoho Invoice is an easy invoice software meant for small businesses and freelancers. Accept payments online, automate payment reminders and recurring invoices easily.

Our invoice Software for Mac and PC is designed to make your life easier with features like custom invoice templates and estimates.

Freeware* Invoicing & Warehouse/inventory Management Software.

Moxie is a single digital workspace with all the tools needed to start, manage and grow a freelancing business, with a built-in personalized community to help freelancers connect with others, develop and refine their craft and get help from experts.