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FusionInvoice

by FusionInvoice

Paid APISelf-hostedWeb

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FusionInvoice's own site

What FusionInvoice is

FusionInvoice is self-hosted invoicing and simple CRM software for freelancers and small businesses. It runs through web, API, and self-hosted platforms, with recurring invoices that can be scheduled for sending. Online payments, payment reminders, multi-currency invoicing, and a Client Center give businesses tools for collecting and sharing billing information. Clients can view invoices and quotes there, with content translated into their native language. Invoice and quote templates use HTML and CSS, and custom fields can be placed throughout the system. Listed payment integrations include PayPal, Stripe, Square, and Mollie. CSV-exporting systems can provide imported data, while reports cover profit and loss, sales, payments, and taxes owed. The API can manage clients, invoices, quotes, payments, and related resources programmatically. The 2026 release adds inventory tracking, stock adjustments, transaction history, and automatic inventory deduction when shipped invoices are used. Optional add-ons cover e-invoicing and firewall functions. The product is paid, has no free plan, and is listed at $139 a month as a one-time payment, with one year of updates included.

Who it suits

It suits freelancers and small businesses such as web designers, developers, consultants, and repair shops needing self-hosted invoicing and CRM tools. It also fits teams requiring scheduled billing, client access, payment integrations, or inventory features.

What it does well

  • Scheduled recurring invoices
  • Online payments through listed integrations
  • HTML/CSS templates and custom fields
  • Client Center supports translated content
  • API manages billing resources

What to know first

  • No free plan
  • Requires installation on your server
  • Local installations are not supported
  • E-invoicing requires an add-on

Plans

PlanBilled and limitsPrice
FusionInvoiceOne-time payment; updates included at no additional cost for a full year past purchase date. · License and software to install on your server · one year of updates included$139, paid once

As fusioninvoice.com lists them, read 11 Oct 2026. The maker's own page has the final word.

Verdict

FusionInvoice combines invoicing, client access, payments, reporting, API control, and newer inventory functions in a self-hosted system. Its server requirements, paid one-time purchase, and add-on model should be checked before choosing it.

Facts from FusionInvoice's own pages

2026 features
The 2026 release adds inventory tracking, stock adjustments, transaction history, and automatic inventory deduction when invoices are shipped. · fusioninvoice.com, 11 Oct 2026
API
The FusionInvoice API can programmatically manage clients, invoices, quotes, payments, and related resources. · wiki.fusioninvoice.com, 11 Oct 2026
Payment reminders
Yes · fusioninvoice.com, 20 Sept 2026
Client center
Clients can access invoices and quotes through the Client Center, which can translate content to their native language. · fusioninvoice.com, 11 Oct 2026
Client portal
Yes · fusioninvoice.com, 20 Sept 2026
Customization
Invoice and quote templates use HTML and CSS, and custom fields can be added to nearly any part of the system. · fusioninvoice.com, 11 Oct 2026
E-invoicing
The E-Invoicing add-on supports PEPPOL, DBNAlliance, FACeB2B, and Finvoice where supported, and its store listing says the purchase includes 10 e-invoice credits. · fusioninvoice.com, 11 Oct 2026
Founded
2010 · fusioninvoice.com, 28 Sept 2026
Free plan
No · fusioninvoice.com, 20 Sept 2026
Hosting requirements
The 2026 documentation specifies a web server, PHP 8.2 or PHP 8.3.1, MySQL 5.7+ or MariaDB 10.3+, and a modern browser; local installations are not supported by the maker. · wiki.fusioninvoice.com, 11 Oct 2026
Import and reporting
Data can be imported from systems that export CSV, and reports include profit and loss, sales, payments, and taxes owed. · fusioninvoice.com, 11 Oct 2026
Intended users
The maker identifies freelancers and small businesses as its intended audience and names web designers, developers, consultants, repair shops, and other small businesses as users. · fusioninvoice.com, 11 Oct 2026
Invoicing
It supports recurring invoices that can be sent on a schedule chosen by the user. · fusioninvoice.com, 11 Oct 2026
Multi-currency invoicing
Yes · fusioninvoice.com, 20 Sept 2026
Online payments
Yes · fusioninvoice.com, 20 Sept 2026
Payments
The company lists PayPal, Stripe, Square, and Mollie integrations for online invoice payments. · fusioninvoice.com, 11 Oct 2026
Recurring invoices
Yes · fusioninvoice.com, 20 Sept 2026
Security
The optional Internal Firewall add-on uses Cloudflare to detect suspicious activity and apply bans, and the maker says it does not replace a server-level firewall. · fusioninvoice.com, 11 Oct 2026
Support and updates
The product page says customer support is offered, and the store includes updates at no additional cost for one year after purchase. · fusioninvoice.com, 11 Oct 2026
What it does
FusionInvoice is a self hosted invoicing and simple CRM system for freelancers and small businesses. · fusioninvoice.com, 11 Oct 2026

Where FusionInvoice stands on Freedom251

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