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FusionInvoice

Self Hosted Invoicing and Simple CRM System·fusioninvoice.com

FusionInvoice is a self-hosted invoicing and simple CRM system for freelancers and small businesses. It is purchased once and installed on the customer's own server, with no recurring monthly fees. It includes features such as recurring invoices, customizable templates, online payment integrations, multi-currency support, expense tracking, and a client portal. Optional paid add-ons extend functionality with e-invoicing, purchase orders, proforma invoices, sales commissions, payment barcodes, and security features.

What it's for

Creating and sending invoices and quotesManaging recurring/subscription invoicesAccepting online payments from clientsTracking expenses and billing them to invoicesManaging purchase orders with vendorsCalculating salesperson commissionsIssuing pro forma invoices before final billingSending compliant e-invoices internationallyGenerating financial reports

Features 17

Client Center portal for clients to view and pay invoices/quotes
CSV data import
Custom fields on most parts of the system
Customizable invoice/quote templates (HTML & CSS)
Customizable reports (profit and loss, sales by client, item sales, payments, taxes owed)
E-Invoicing add-on supporting PEPPOL, DBNAlliance, FACeB2B, Finvoice networks
Expense tracking and categorization, billable to invoices
HUB3 payment barcode support for Croatia
Internal Firewall security add-on using Cloudflare
Item lookups for frequently invoiced items
Multi-currency invoicing
Online payments via PayPal, Stripe, Square, and Mollie
Proforma invoice workflow (quote → pro forma → invoice)
Purchase order management with vendor tracking
Recurring invoices
Sales commission calculation and tracking
Self-hosted invoicing and CRM

At a glance

self-hostable

TypeWeb app

DeploymentSelf-hosted

PlatformsWeb

Forfreelancers, small businesses

CompanySquarePig, LLC

Integrations

PayPalStripeSquareMollieCloudflare

Resources

Docs

Pricing

Core FusionInvoice license is a one-time payment of $139 (not a monthly fee), with free updates for one year post-purchase. Multiple paid add-ons are sold separately (see pricing_addons). The E-Invoice add-on uses a credit-based usage model where credits are consumed per e-invoice processed, expire after one year, and require annual add-on renewal.

FusionInvoiceQuote

One-time payment of $139; no recurring fees for continued use.

One-time purchase grants a license to install on one server; updates included free for one year past purchase date.