QuickBooks

Wave

Wave offers genuinely free accounting and invoicing software aimed at freelancers and micro-businesses, making money on payments and payroll add-ons. It is a popular starting point for solo operators.

Xero

Xero is a cloud-first accounting platform popular outside the US, known for a clean interface, unlimited users on every plan, and a strong app marketplace. It emphasizes collaboration between businesses and their advisors.

FreshBooks

FreshBooks is accounting software designed around invoicing, time tracking, and expenses for freelancers and small service-based businesses. It emphasizes ease of use over accounting complexity.

Square

Square is a payment processing and point-of-sale system designed for businesses of all sizes. It provides a range of tools and services to help businesses manage their payments, sales, and customer relationships. With Square, businesses can accept payments, track sales, and manage their inventory and customer data all in one place.

ERPNext

ERPNext is an open-source enterprise resource planning (ERP) solution designed for businesses of all sizes. It provides a comprehensive suite of tools for managing various aspects of a business, including accounting, inventory, sales, and human resources.

BigCapital

Bigcapital is an open-source financial and accounting platform for small and medium businesses. It handles double-entry bookkeeping, invoicing, expense tracking and financial reporting, positioning itself as a self-hostable alternative to QuickBooks, Xero and Wave. With multi-currency support, automated financial statements and inventory tracking, Bigcapital gives businesses full control over their books without vendor lock-in.