InvoraOwnware
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Related Products
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About
Self-hosted invoicing you own outright - no monthly fee, no cut of what you bill, no invoice cap. Estimates convert to invoices in one click, every document renders to a branded PDF, and clients open a public link without an account. Record part-payments and see what you are owed by client and by age.
Recurring invoices draft each cycle for you to review; a unique period stamp means the same month can never draft twice. Nothing is emailed automatically - every client email is a button you press, sent through your own SMTP, each attempt logged. Version 3.1 adds emailed invoices and reminders plus an .ics feed of due dates, all shipped switched off.
Also included: REST API with revocable keys, webhooks, an MCP endpoint for AI assistants, 2FA, OIDC sign-in, scheduled backups, audit log, dark mode. Plain PHP 8 + MySQL or SQLite, no framework, no build step. It never phones home.
A live demo runs on the product page - it opens signed in, with no signup and no password.
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About
Simple Invoicing is a free, easy-to-use online invoicing system that helps you create professional invoices in just minutes. With a clean interface and step-by-step form, you can quickly add customer details, items, and payment terms without hassle. Every invoice is instantly converted into a downloadable PDF, ready to email, print, or share with clients. Your data is securely tied to your account, ensuring safe and private access anytime, anywhere. Unlike traditional invoicing tools, Simple Invoicing is completely free — and early users receive a lifetime premium subscription when paid plans launch. It’s invoicing made simple, secure, and stress-free.
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Platforms Supported
Windows
Supported
Mac
Supported
Linux
Supported
Cloud
Not Supported
On-Premises
Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Supported
iPad
Supported
Android
Supported
Chromebook
Not Supported
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Audience
Small businesses, freelancers and agencies that want to own their invoicing stack instead of renting SaaS
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Audience
Simple Invoicing is perfect for freelancers, small businesses, and entrepreneurs who want a free, secure, and professional way to create and manage invoices online
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Not Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$99 one-time
One-time purchase. Single licence $99 - one domain you own or operate, client work included. Extended licence $229 - as many domains as you own or operate, plus one installation handed over per client project. Full source code included. No subscriptions, no per-user fees, no cut of what you bill.
Free Version
Not Supported
Free Trial
Not Supported
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Pricing
$0
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Not Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationOwnware
Founded: 2026
Slovakia
ownware.io/p/invora
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Company InformationSimple Invoicing
simple-invoicing.com
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Alternatives |
Alternatives |
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Categories |
Categories |
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Billing and Invoicing Features
Billing Portal
Not Supported
Contact Database
Supported
Contingency Billing
Not Supported
Customer Portal
Not Supported
Customizable Invoices
Supported
Dunning Management
Not Supported
Hourly Billing
Not Supported
Invoice History
Supported
Mobile Payments
Not Supported
Multi-Currency
Supported
Online Invoicing
Supported
Online Payments
Not Supported
Payment Processing
Not Supported
Project Billing
Not Supported
Recurring/Subscription Billing
Supported
Service Ticket Billing
Not Supported
Tax Calculator
Supported
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Integrations
ChatGPT
Not Supported
Claude
Not Supported
n8n
Not Supported
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