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Open-source alternatives to Invoice Ninja

Compare community-driven replacements for Invoice Ninja in accounting & invoicing workflows. We curate active, self-hostable options with transparent licensing so you can evaluate the right fit quickly.

Invoice Ninja logo

Invoice Ninja

Invoice Ninja provides invoicing, quotes, payments (cards/ACH), reminders, and self-hosted or cloud options for SMBs and freelancers.Read more
Accounting & Invoicing
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Key stats

  • 5Alternatives
  • 4Support self-hosting

    Run on infrastructure you control

  • 4Active development

    Recent commits in the last 6 months

  • 1Permissive licenses

    MIT, Apache, and similar licenses

Counts reflect projects currently indexed as alternatives to Invoice Ninja.

All open-source alternatives

Crater logo

Crater

Open-source invoicing and expense tracking for businesses

Self-host friendlyPrivacy-firstFast to deployPHP

Why teams choose it

  • Professional invoice and estimate creation with custom fields and branding
  • Native mobile apps for iOS and Android alongside web interface
  • Multi-company support with customer portal and Stripe payment processing

Watch for

Requires self-hosting infrastructure and maintenance expertise

Migration highlight

Freelance Consultant Billing

Independent consultants create branded invoices, track project expenses, and accept client payments through Stripe without monthly platform fees.

Frappe Books logo

Frappe Books

Modern offline-first accounting software for small businesses

Active developmentPrivacy-firstIntegration-friendlyTypeScript

Why teams choose it

  • Offline-first desktop application with local SQLite database storage
  • Complete double-entry accounting with invoicing, billing, and POS
  • Comprehensive financial reports: general ledger, P&L, balance sheet, trial balance

Watch for

AGPL-3.0 license requires derivative works to be open-sourced

Migration highlight

Retail Store Management

Process sales transactions through the integrated POS system while maintaining accurate inventory and financial records offline

FOSSBilling logo

FOSSBilling

Open-source billing and client management for hosting businesses

Self-host friendlyActive developmentPermissive licensePHP

Why teams choose it

  • Automated invoicing and payment processing for recurring billing cycles
  • Extensible architecture with support for payment gateway and server management integrations
  • Self-hosted deployment on standard PHP/MySQL infrastructure

Watch for

Currently beta software with potential stability and security issues

Migration highlight

Shared Hosting Provider Automation

Automate recurring billing, invoice generation, and payment collection for hundreds of shared hosting customers with integrated cPanel management

InvoicePlane logo

InvoicePlane

Self-hosted invoicing platform for managing clients and payments

Self-host friendlyActive developmentPrivacy-firstPHP

Why teams choose it

  • Complete invoice and quote lifecycle management with professional templates
  • Client relationship tracking with contact details and transaction history
  • Multi-gateway payment integration with automated reminder system

Watch for

Requires web server infrastructure and technical setup knowledge

Migration highlight

Freelance Consulting Billing

Independent consultants create branded invoices, track client payments, and generate financial reports without monthly software fees.

Invoice Ninja logo

Invoice Ninja

Source-available invoicing and time-tracking app built with Laravel

Self-host friendlyActive developmentPrivacy-firstPHP

Why teams choose it

  • Complete invoicing, quotes, expenses, and time-tracking in one platform
  • Self-hosted or SaaS deployment with full feature parity across both
  • Native mobile and desktop apps for iOS, Android, macOS, Windows, and Linux

Watch for

White-label branding removal requires $30/year license

Migration highlight

Freelance Consulting Business

Track billable hours, generate professional invoices, and provide clients with a branded portal to view quotes and make payments online.

Choosing a accounting & invoicing alternative

Teams replacing Invoice Ninja in accounting & invoicing workflows typically weigh self-hosting needs, integration coverage, and licensing obligations.

  • 4 projects let you self-host and keep customer data on infrastructure you control.
  • 4 options are actively maintained with recent commits.

Tip: shortlist one hosted and one self-hosted option so stakeholders can compare trade-offs before migrating away from Invoice Ninja.