Invoice Ninja (hosted)

Judgement

What it is

Complete system

What it does

Invoicing, quotes, recurring billing, time and expense tracking and online payments, as a hosted service built on the open-source Invoice Ninja.

Adopt it when

A freelancer or small business wants free or cheap invoicing with the option to self-host the same software later.

Watch out

It is invoicing, not full accounting, so you still need books elsewhere.

Ready for

Production-ready

Runs as

Cloud service and mobile app

Built with

PHP, Laravel and Flutter

What the license allows

Closed source: you use it under the maker's terms and cannot change or resell the code.

Judged on 2026-11-03 from the maker's description and Wikipedia. The license and age lines are worked out directly.

Open-source alternatives to Invoice Ninja (hosted)

1. 1
   Invoify al1abb

   An invoice generator app built using Next.js, Typescript, and Shadcn

   Complete system Usable You need to produce good-looking one-off invoices without signing up for an invoicing service.

   ★ 6.4k MIT TypeScript Active, pushed 2 months ago
2. 2
   InvoiceShelf InvoiceShelf

   Open Source Invoicing Solution for Individuals & Businesses

   Complete system Usable You need straightforward invoicing on your own server and do not need full accounting.

   ★ 1.9k AGPL-3.0 PHP Active, pushed 6 days ago
3. 3
   Invio kittendevv

   Self-hosted invoicing without the bloat.

   Complete system Usable A freelancer wants simple self-hosted invoicing with European e-invoice output.

   ★ 1.2k Unlicense TypeScript Active, pushed 14 days ago
4. 4
   EasyInvoicePDF VladSez

   Free & Open-Source Invoice Generator - No Sign-Up, No Ads, Instant PDF Export, 100% In-Browser, and Fully Customizable Templates. ⭐ Star the repo if you like it

   Complete system Usable A freelancer wants quick, free, private PDF invoices without an account.

   ★ 1.1k AGPL-3.0 TypeScript Active, pushed 12 days ago
5. 5
   SolidInvoice SolidInvoice

   Simple and elegant invoicing solution.

   Complete system Production-ready A freelancer or small business wants mature invoicing on its own server, or hosted for a flat monthly fee.

   ★ 978 MIT PHP Active, pushed 3 days ago
6. 6
   Invoicerr invoicerr-app

   Invoicerr is a freelance-focused invoicing app that lets you create quotes, generate invoices, track payments, and collect secure signatures.

   Complete system Usable A European freelancer or small company needs e-invoicing compliance such as Factur-X, XRechnung or Peppol on its own server.

   ★ 733 AGPL-3.0 TypeScript Active, pushed yesterday
7. 7
   Upcount namespace-ee

   Invoicing for freelancers & small businesses

   Complete system Usable A freelancer wants free invoicing and time tracking on one computer with no cloud account.

   ★ 400 GPL-3.0 TypeScript Active, pushed 17 days ago
8. 8
   Free-GST-Billing-Software IamRamgarhia

   Free GST Billing Software — Free, open-source GST invoice & billing software. Tax Invoice, Proforma, Credit Note, Bill of Supply. CGST/SGST/IGST. Multi-currency. 100% offline, no signup. PWA installable.

   Complete system Experimental An Indian shop or freelancer wants free GST invoicing on one computer instead of paying for Tally or Vyapar.

   ★ 336 MIT JavaScript Active, pushed 4 days ago
9. 9
   Laravel-invoices ElegantEngineeringTech

   📑 Store and generate beautiful PDF invoices in Laravel

   Building block Usable Your Laravel app needs proper invoice records and PDFs without building them yourself.

   ★ 237 MIT PHP Active, pushed today
10. 10
    Manta hql287

    🎉 Flexible invoicing desktop app with beautiful & customizable templates.

    Complete system Experimental You want a simple offline invoice designer and accept unmaintained software.

    ★ 5.5k LGPL-3.0 JavaScript Quiet, pushed 2 years ago

Other commercial invoicing apps

1. 1
   Harvest Harvest

   Time tracking and management software with powerful easy reporting and streamlined online invoicing. Loved by 73,000 businesses. Get started for free.

   Complete system Production-ready An agency or consultancy bills by the hour and wants staff to track time easily against project budgets.

   503 readers a month Commercial
2. 2
   Stripe Invoicing Stripe, Inc.

   Create and send invoices online in minutes with Stripe. Use our invoicing software to automate payment collection and recover revenue with AI-powered dunning.

   Complete system Production-ready You already take payments through Stripe and want invoices that collect card and bank payments automatically.

   Commercial
3. 3
   Bill.com BILL Holdings

   The AP, AR, and spend & expense solution that lets you create and pay bills, manage expenses, control budgets, and get the credit your business/firm needs to grow.

   Complete system Production-ready A US small or midsize company or its accounting firm wants to automate bill approval and payment runs.

   363 readers a month Since 2006 Commercial
4. 4
   Wave Wave Financial

   Create beautiful invoices, accept online payments, and make accounting easy—all in one place—with Wave’s suite of money management tools.

   Complete system Production-ready A US or Canadian freelancer or micro-business wants free bookkeeping and invoicing and does not need integrations.

   353 readers a month Commercial
5. 5
   FreshBooks FreshBooks

   Cloud-based accounting software service

   Complete system Production-ready A freelancer or small agency bills clients for time and wants invoicing first and accounting second.

   103 readers a month Since 2004 Commercial
6. 6
   Zoho Invoice Zoho Corporation

   Complete system Production-ready A freelancer wants free professional invoicing and may move to Zoho Books later.

   Commercial

Under it

Every program, Invoice Ninja (hosted) included, runs on a microchip.

How compilers were built, back to punched paper tape