Top 20 Alternatives to Simple Invoices in Free Accounting Software

Simple Invoices is a lightweight, open‑source invoicing tool for freelancers and small businesses. Want a free accounting solution that goes beyond basic invoicing—offering bookkeeping, reporting, multi‑currency, and tax features? Below are 20 free alternatives you can evaluate.

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Top Competitors to Consider

Free, cloud‑based accounting suite with invoicing, receipt scanning, double‑entry bookkeeping, and payroll (US only).

Free plan includes invoicing, expense tracking, basic reporting, and bank reconciliation for small businesses.

#4 GnuCash

Open‑source desktop application for personal and small‑business accounting with double‑entry, scheduled transactions, and multi‑currency support.

Free desktop version offering invoicing, bank reconciliation, inventory, and comprehensive financial reports.

Web‑based, open‑source accounting platform with invoicing, expense tracking, and multi‑user collaboration.

Free tier supports unlimited invoices, quotes, and up to 100 clients, plus basic expense tracking.

Open‑source ERP with a robust accounting module—general ledger, bank feeds, and multi‑currency—self‑hosted for free.

Free for businesses with annual revenue ≤ $50 K; includes invoicing, expense tracking, and basic reporting.

UK‑focused free accounting software with invoicing, bank reconciliation, and simple profit‑and‑loss reports.

#11 TurboCASH

Open‑source accounting system for small to medium enterprises, offering invoicing, inventory, and multi‑currency.

#12 KMyMoney

Desktop personal finance manager with double‑entry bookkeeping, scheduled transactions, and multi‑currency support.

Free, cross‑platform personal finance software with budgeting, reporting, and simple invoicing capabilities.

#14 SlickPie

Free online accounting tool featuring automated data entry, invoicing, and basic financial statements.

Free tier provides invoicing, expense tracking, and simple reporting for freelancers and solo entrepreneurs.

#16 Invoicely

Free plan supports unlimited invoices, basic expense tracking, and multi‑currency for small businesses.

#17 LedgerSMB

Open‑source ERP/Accounting system with robust GL, invoicing, and inventory modules; self‑hosted at no cost.

Free, open‑source suite combining accounting, invoicing, and CRM features for small to mid‑size firms.

#19 ERPNext

Open‑source ERP with a full accounting module—GL, invoicing, tax handling, and multi‑currency—hosted for free on ERPNext Cloud (free tier).

Free web‑based accounting system offering invoicing, GL, inventory, and multi‑currency for small businesses.

Free cloud accounting platform with invoicing, expense management, and basic financial dashboards.