Accounting & Invoicing
Invoice Ninja
Open-source invoicing and payments — free self-host or affordable cloud.
4.7· 166 reviews· via CapterraFounded 2014 · Fort Myers, FL
What is Invoice Ninja?
Invoice Ninja is an open-source invoicing, billing, and payments platform for freelancers and small businesses. It offers a free self-hosted edition alongside affordable cloud hosting, with quotes, recurring invoices, expenses, and time tracking.
Best known for: Open-source, self-hostable invoicing software
Key features
- Open-source, self-hostable core
- Invoicing and recurring billing
- Quotes and proposals
- Online payment gateway integrations
- Expense and time tracking
- Client portal
Who Invoice Ninja is best for
- Freelancers and micro-businesses wanting a strong free plan
- Technical users who want to self-host and own their data
- Teams needing many users at low per-org cost
Ideal team: Solo freelancers to small teams — self-host for developers, cloud for non-technical users.
Invoice Ninja pricing
Free
$0
- Up to 5 clients
- Unlimited invoices
- Core invoicing
Popular
Ninja Pro
$14/flat / mo
- Unlimited clients
- Remove branding
- Custom templates
Enterprise
$18/per org / mo
- Multi-user (2+)
- Client portal
- Document uploads
Costs to watch before you commit
- Free cloud plan caps at 5 clients — exceed it to move to Pro/Enterprise.
- Enterprise scales in user bands (2→100 users, $18→$300/mo).
- Self-host is free but you pay for your own server and maintenance; white-label is $40/yr.
- Payment processing fees are charged by the connected gateway (Stripe/PayPal), not Invoice Ninja.
Top Invoice Ninja alternatives
Popular Accounting & Invoicing tools teams evaluate alongside Invoice Ninja.
Patriot AccountingSimple, low-cost accounting and invoicing for US small businesses.
Zoho Invoice100% free invoicing software — genuinely $0, with no time limit.
SynderAutomated bookkeeping and reconciliation into QuickBooks, Xero and NetSuite.
HoldedAll-in-one business suite — accounting, invoicing, inventory, CRM and HR.
FreshBooksInvoicing-first accounting built for freelancers and service-based solos.