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Open-source invoicing for freelancers and SMBs
Invoice Ninja is an open-source invoicing and billing platform for freelancers, small businesses, and agencies, offering invoicing, quotes, payments, expenses, and time tracking with both cloud-hosted and self-hosted options. Its open-source, API-driven model gives users flexibility and control, whether they use the managed cloud or run it themselves.
The platform covers the full billing workflow: create and send invoices and quotes, accept online payments, track expenses and time, manage clients, and automate recurring invoices and reminders. The free plan supports up to 5 clients with unlimited invoicing, making it accessible for those just starting, while self-hosting gives complete control at only the cost of server hosting.
Invoice Ninja offers a Free plan with 5 clients and unlimited invoices, and after a January 2026 pricing update, Invoice Ninja Pro scaling by users - 14 dollars per month for 1 user, 18 for 2, 32 for 5, 54 for 10, up to 300 for 100 users. Self-hosting via its open-source platform is free (you pay only for server hosting around 5 to 12 dollars, plus 40 dollars a year for white-labeling). Aimed at freelancers and small businesses, it competes with FreshBooks, Wave, Zoho Invoice, QuickBooks, and Xero.
Pricing Model
Freemium
Starting Price
$0/mo
Free Options
Free version, Free trial
| Feature | Free | Pro Popular | Self-Hosted |
|---|---|---|---|
| 5 clients | — | — | |
| Unlimited invoices | — | — | |
| Quotes and payments | — | — | |
| Expense tracking | — | — | |
| Client portal | — | — | |
| 1 user | — | — | |
| Unlimited clients | — | — | |
| Recurring invoices | — | — | |
| Custom branding | — | — | |
| Scales to 300 dollars for 100 users | — | — | |
| Free open source | — | — | |
| Server hosting only | — | — | |
| Full features | — | — | |
| 40 dollars per year white-label | — | — | |
| Data ownership | — | — |
Other
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API Types
SDK Availability
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Developer Features
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Compliance Standards
SOC 2 Type II
EnterpriseISO 27001
EnterpriseGDPR Compliant
GlobalHIPAA
HealthcarePCI DSS
FinanceCCPA
PrivacyFedRAMP
GovernmentCSA STAR
CloudDeployment & Data
Data Residency Options
Verify with vendor for your specific region requirements.
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