# FOSSBilling vs Invoice Ninja

**Leader by vioscaleAI score:** Invoice Ninja

| Attribute | FOSSBilling | Invoice Ninja |
|---|---|---|
| **vioscaleAI score** | 43.6 (39% (low)) | 60.6 (75% (high)) |
| activity.commits_last_30d | 26 | 100 |
| adoption.dependent_repos | - | 0 |
| adoption.github_stars | 16 | 10,268 |
| content.faq | `[{"answer":"FOSSBilling is a free and open-source billing and client management platform designed for hosting businesses. It provides automated billing, hosting provisioning, domain management, support ticketing, and an extensible architecture. It is indexed under Billing & Invoicing Software.","source":"https://fossbilling.org/","question":"What is FOSSBilling?","confidence":0.6},{"answer":"FOSSBilling is open source, so it can be self-hosted and used at no licence cost. It is released under the AGPL-3.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://fossbilling.org/","question":"Is FOSSBilling free to use?","confidence":0.6},{"answer":"We have confirmed browser-based access to FOSSBilling. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://fossbilling.org/","question":"What platforms does FOSSBilling support?","confidence":0.6},{"answer":"Yes. FOSSBilling can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://fossbilling.org/","question":"Can FOSSBilling be self-hosted?","confidence":0.6},{"answer":"We have confirmed 4 integrations for FOSSBilling, including cPanel, Plesk, DirectAdmin and HestiaCP. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://fossbilling.org/","question":"What does FOSSBilling integrate with?","confidence":0.6},{"answer":"Yes. FOSSBilling is published under the AGPL-3.0 licence, a copyleft licence, so check its terms before embedding it in a closed-source product. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/fossbilling/fossbilling.org","question":"Is FOSSBilling open source?","confidence":0.95}]` | `[{"answer":"A comprehensive solution combining invoicing, payment processing, expense tracking, time management, and project coordination in a single platform, available in both cloud and self-hosted deployments. It is indexed under Billing & Invoicing Software.","source":"https://invoiceninja.com/3-unconventional-freelance-pricing-models-that-clients-love/","question":"What is Invoice Ninja?","confidence":0.6},{"answer":"Invoice Ninja offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://invoiceninja.com/3-unconventional-freelance-pricing-models-that-clients-love/","question":"Is Invoice Ninja free?","confidence":0.6},{"answer":"Invoice Ninja supports the web, Windows, macOS, Linux, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://invoiceninja.com/3-unconventional-freelance-pricing-models-that-clients-love/","question":"What platforms does Invoice Ninja support?","confidence":0.6},{"answer":"Yes. Invoice Ninja can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://invoiceninja.com/3-unconventional-freelance-pricing-models-that-clients-love/","question":"Can Invoice Ninja be self-hosted?","confidence":0.6},{"answer":"We have confirmed 15 integrations for Invoice Ninja, including Stripe, PayPal, Square, GoCardless, Gmail, QuickBooks, Slack and MailChimp, plus 7 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://invoiceninja.com/3-unconventional-freelance-pricing-models-that-clients-love/","question":"What does Invoice Ninja integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 and GDPR for Invoice Ninja. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Invoice Ninja not holding them. Always confirm compliance directly before you rely on it.","source":"https://invoiceninja.com","question":"What security certifications does Invoice Ninja have?","confidence":0.48}]` |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true,"hybrid":true,"self_hosted":true}` |
| description.long | A free, open-source platform that enables hosting automation businesses to manage customer accounts, billing, invoicing, and client administration without proprietary licensing costs. | Provides invoicing, payment collection, expense tracking, and time tracking capabilities integrated into a single application. Available as a cloud-hosted service or self-hosted installation with full control over infrastructure. |
| features.capabilities | `{"invoicing":true,"self_hostable":true,"subscription_billing":true}` | `{"dunning":"basic_retry","gl_sync":true,"analytics":true,"api_first":true,"invoicing":true,"tax_handling":"integration","self_hostable":true,"pricing_models":"Subscription, time-based, project-based invoicing","usage_metering":"basic","catalog_management":true,"subscription_billing":true}` |
| integrations.count | 4 | 1,000 |
| integrations.list | `[{"name":"cPanel"},{"name":"Plesk"},{"name":"DirectAdmin"},{"name":"HestiaCP"}]` | `[{"name":"Stripe"},{"name":"PayPal"},{"name":"Square"},{"name":"GoCardless"},{"name":"Gmail"},{"name":"QuickBooks"},{"name":"Slack"},{"name":"MailChimp"},{"name":"Zapier"},{"name":"Make"},{"name":"Pabbly"},{"name":"Checkout.com"},{"name":"Helcim"},{"name":"PayFast"},{"name":"Nordigen"}]` |
| language.primary | Astro | PHP |
| license.spdx | AGPL-3.0 | - |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"mac":true,"web":true,"linux":true,"android":true,"windows":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://fossbilling.org/","retrievedAt":"2026-08-13T20:47:11.610Z"}` | `{"type":"subscription","plans":[{"free":true,"name":"Free","summary":"Free forever","features":["5 clients","Unlimited invoicing","4 invoice templates","Payment processing (Stripe, PayPal, Square, GoCardless)","Recurring invoices and auto-billing","Expense management","Vendor tracking","Purchase orders","Bank transaction import","Client portal","Quote management","E-signature support","Zapier integrations","Multi-factor authentication","PCI-DSS compliance","Encrypted data","24/7 cybersecurity monitoring"],"contactSales":false,"includedLimits":{"clients":"5","invoices":"unlimited"}},{"free":false,"name":"Pro","features":["11 invoice templates","All Free plan features"],"commitment":"annual","contactSales":false},{"free":false,"name":"Enterprise","summary":"Custom pricing for 1-100 users","features":["11 invoice templates","Custom features and configuration"],"minSeats":1,"commitment":"annual","description":"Pricing based on number of users (1-100)","contactSales":true}],"addOns":[{"name":"Product & Inventory Management","components":[{"kind":"fixed","amount":140,"period":"year","currency":"USD"}]},{"name":"API Integration with 3rd Party Apps","components":[{"kind":"fixed","amount":180,"period":"year","currency":"USD"}]},{"name":"Branded Client Portal: Billing.YourCompany.com"}],"summary":"Free forever. Pro pricing not shown. Enterprise pricing varies by users (1-100).","currency":"USD","freeTier":true,"sourceUrl":"https://invoiceninja.com/5-pricing-strategies-freelancers-looking-earn-money/","retrievedAt":"2026-09-10T21:03:24.100Z","billingPeriods":["year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | freemium |
| pricing.price_level | free | low |
| pricing.transparent | yes | no |
| release.cadence_days | - | 1 |
| release.history | - | `[{"url":"https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.47","date":"2026-10-10T07:16:41Z","type":"stable","version":"v5.13.47"},{"url":"https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.46","date":"2026-10-10T06:33:23Z","type":"stable","version":"v5.13.46"},{"url":"https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.45","date":"2026-10-08T23:45:14Z","type":"stable","version":"v5.13.45"},{"url":"https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.44","date":"2026-10-07T00:37:11Z","type":"stable","version":"v5.13.44"},{"url":"https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.43","date":"2026-09-18T00:10:15Z","type":"stable","version":"v5.13.43"},{"url":"https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.42","date":"2026-09-17T21:10:26Z","type":"stable","version":"v5.13.42"},{"url":"https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.41","date":"2026-09-17T06:57:24Z","type":"stable","version":"v5.13.41"},{"url":"https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.40","date":"2026-09-12T23:09:54Z","type":"stable","version":"v5.13.40"},{"url":"https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.39","date":"2026-09-12T23:00:29Z","type":"stable","version":"v5.13.39"},{"url":"https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.38","date":"2026-09-12T01:15:40Z","type":"stable","version":"v5.13.38"},{"url":"https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.37","date":"2026-09-02T03:58:43Z","type":"stable","version":"v5.13.37"},{"url":"https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.36","date":"2026-08-27T21:54:07Z","type":"stable","version":"v5.13.36"},{"url":"https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.35","date":"2026-08-25T02:45:17Z","type":"stable","version":"v5.13.35"},{"url":"https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.34","date":"2026-08-25T02:29:30Z","type":"stable","version":"v5.13.34"},{"url":"https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.33","date":"2026-08-17T10:48:50Z","type":"stable","version":"v5.13.33"},{"url":"https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.32","date":"2026-08-15T06:51:18Z","type":"stable","version":"v5.13.32"},{"url":"https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.31","date":"2026-08-12T07:02:54Z","type":"stable","version":"v5.13.31"},{"url":"https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.30","date":"2026-08-06T00:34:18Z","type":"stable","version":"v5.13.30"},{"url":"https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.29","date":"2026-08-05T02:30:48Z","type":"stable","version":"v5.13.29"},{"url":"https://github.com/invoiceninja/invoiceninja/releases/tag/v5.13.28","date":"2026-08-05T02:19:36Z","type":"stable","version":"v5.13.28"}]` |
| reliability.status_page | yes | yes |
| security.gdpr | - | yes |
| security.pci | - | yes |
| security.scorecard | - | 4 |
| security.soc2 | - | yes |
| security.vulnerabilities | - | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=packagist&package_name=hillelcoren%2Finvoice-ninja&per_page=100","last_12m":0,"max_severity":"MODERATE"}` |

## Capabilities (Billing & Invoicing Software)

| Capability | FOSSBilling | Invoice Ninja |
|---|:--:|:--:|
| **Core** |  |  |
| Subscription billing | ✓ | ✓ |
| Usage metering | - | Basic |
| Pricing models | - | Subscription, time-based, project-based invoicing |
| Invoicing & AR | ✓ | ✓ |
| Catalog management | - | ✓ |
| **Commerce** |  |  |
| Merchant of record | - | - |
| **Finance** |  |  |
| Revenue recognition | - | - |
| Tax handling | - | Integration |
| **Collections** |  |  |
| Dunning | - | Basic retry |
| **Integrations** |  |  |
| GL / ERP sync | - | ✓ |
| **Ecosystem** |  |  |
| API-first / developer-first | - | ✓ |
| **Deployment** |  |  |
| Self-hostable | ✓ | ✓ |
| **Insight** |  |  |
| Revenue analytics | - | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T15:46:46.278Z. "-" = undocumented, not absent.*