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.

The best Invoicing alternative to GnuCash is Frappe Books, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to GnuCash and many of them are Invoicing Software so hopefully you can find a suitable replacement. Other interesting Invoicing Software alternatives to GnuCash are Manager, Intuit QuickBooks, Akaunting and Xero.
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.

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.



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.




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




Cloud accounting platform for business providing invoicing, quote management, cash flow tracking, bill payments, expense claims, payroll automation, project tracking, contract management, advanced analytics, and integration with payment gateways like Stripe and GoCardless.




Cloud-based accounting software designed for small businesses, featuring invoicing, expense and income tracking, customizable financial dashboards, extensive reporting, automation for recurring tasks and payment reminders, secure user access controls, and integrated templates.




Connected Accounting is a financial services company that offers automated solutions for entrepreneurs and business owners. Their services include outsourced accounting, tax preparation, financial reporting, and business consulting.



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.




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.




TrulySmall Accounting is a software designed to simplify accounting for small businesses, freelancers, contractors, and consultants. It manages income and expenses, categorizes transactions, and generates reports quickly.




The LedgerSMB project provides small and mid-size businesses with open source accounting software: integrating invoicing, order processing, quotations and more (ERP). LedgerSMB aims to provide a strong (multi-currency accounting) basis to build your business on -- without vendor...




It has a web interface that allows me to access it anywhere I have a web connection. As an independent contractor, that means I can do my books, invoices, payments, etc. on the job site instead of taking up valuable family time once I get home.