Top 20 Alternatives to Billdu in Free Invoicing Software

Billdu is a cloud‑based invoicing and billing platform that helps small businesses create, send, and track invoices. Looking for free invoicing tools that can replace Billdu? Below is a curated list of 20 free (or freemium) invoicing software options.

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Top Competitors to Consider

Full‑featured accounting suite with free invoicing, receipt scanning, and unlimited clients.

Free for up to 5 customers; offers customizable invoices, automated reminders, and multi‑currency support.

Free plan includes unlimited invoices, quotes, and up to 100 clients with basic branding.

Simple, cloud‑based invoicing with auto‑data entry, tax calculations, and unlimited invoices.

Free tier supports unlimited invoices, multiple businesses, and basic reporting.

Create and send invoices at no cost; recipients pay via PayPal or credit card (transaction fees apply).

Free invoicing tool integrated with Square payments; includes recurring invoices and reminders.

Free plan offers unlimited invoices, basic reporting, and time tracking for freelancers.

#10 Akaunting

Open‑source accounting software with free invoicing, expense tracking, and multi‑currency support.

#11 Harvest

Free for 1 user & 2 projects; includes invoicing, time tracking, and expense capture.

Lightweight, open‑source invoicing solution for small businesses; self‑hosted and completely free.

Free community ERP module for creating and managing invoices; integrates with Odoo’s other free apps.

Open‑source web app for invoicing, quoting, and client management; fully customizable.

UK‑focused free accounting software with unlimited invoices, expense tracking, and bank reconciliation.

#16 Nutcache

Free plan includes invoicing, time tracking, and project management for up to 5 users.

#17 GnuCash

Desktop‑based, open‑source accounting software with invoicing, double‑entry bookkeeping, and reporting.

#18 Fakturama

Free, open‑source invoicing and accounting program with multi‑language support and PDF export.

#19 Bonsai

Free tier provides unlimited invoices, contracts, and basic time tracking for freelancers.

#20 Invoicera

Free for a single client; includes customizable invoices, recurring billing, and payment gateway integration.

Open‑source suite with a free invoicing module; suitable for small businesses needing an all‑in‑one solution.