From the makers of ERPNext, Frappe Books simplifies invoicing, billing, and accounting for freelancers and small business owners. Create professional invoices, generate beautiful PDFs and send them to your customers.

Invoice Master is described as 'Intuitive invoicing software designed for freelancers and small businesses to streamline billing and improve cash flow' and is a Invoicing software in the business & commerce category. There are more than 50 alternatives to Invoice Master, not only websites but also apps for a variety of platforms, including Windows, Mac, iPhone and iPad apps. The best Invoice Master alternative is Frappe Books, which is both free and Open Source. Other great sites and apps similar to Invoice Master are Invoice Ninja, Manager, Skrooge and Akaunting.
From the makers of ERPNext, Frappe Books simplifies invoicing, billing, and accounting for freelancers and small business owners. Create professional invoices, generate beautiful PDFs and send them to your customers.

Free, open-source invoicing and billing platform providing PDF invoice generation, client payment options through 30+ gateways, multiple templates, company logo addition, team roles, time tracking, advanced customization through paid plans, and no installation required.




Manager is free accounting software for Windows, Mac and Linux.
It features an intuitive and innovative user interface with modules such as cashbook, invoicing, receivables, payables, taxes and comprehensive financial reports.
The desktop edition is free while the cloud edition.



Skrooge allows you to manage your personal finances, powered by KDE 4.x. Thanks to its many features, it is one of the most powerful way to enter, follow, and analyze your expenses.




Offers accounting software with payroll, bookkeeping, invoicing, app integration, and inventory tools. Four plans cater to businesses of all sizes. Automates reconciliation and shares with accountants seamlessly. Higher tiers add project tracking.




Wave makes it easy to be your own boss. Just do what you're good at, and lean on Wave's smart online software for help with invoicing, accounting and payroll.


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.



Simplify your freelance business with a tailor-made toolkit: invoices, project management, proposals, client portal & more.




Bigcapital is a smart and open-source accounting and inventory software, Bigcapital keeps all business finances in right place and automates accounting processes to give the business powerful and intelligent financial statements and reports to help in making decisions.




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.




A comprehensive invoicing platform offering customizable templates, tax compliance, fraud protection, and client portal. Supports software integration, online estimates, GST invoicing, recurring billing, credit management, and global operations with multilingual and multicurrency support.



