GITNUXSOFTWARE ADVICE

Finance Financial Services

Top 10 Best Self Hosted Invoice Software of 2026

Explore the top 10 self hosted invoice software options. Compare features, find your fit, and start invoicing efficiently today.

Disclosure: Gitnux may earn a commission through links on this page. This does not influence rankings — products are evaluated through our independent verification pipeline and ranked by verified quality metrics. Read our editorial policy →

How We Ranked These Tools

01
Feature Verification

Core product claims cross-referenced against official documentation, changelogs, and independent technical reviews.

02
Multimedia Review Aggregation

Analyzed video reviews and hundreds of written evaluations to capture real-world user experiences with each tool.

03
Synthetic User Modeling

AI persona simulations modeled how different user types would experience each tool across common use cases and workflows.

04
Human Editorial Review

Final rankings reviewed and approved by our editorial team with authority to override AI-generated scores based on domain expertise.

Products cannot pay for placement. Rankings reflect verified quality, not marketing spend. Read our full methodology →

How Our Scores Work

Scores are calculated across three dimensions: Features (depth and breadth of capabilities verified against official documentation across 12 evaluation criteria), Ease of Use (aggregated sentiment from written and video user reviews, weighted by recency), and Value (pricing relative to feature set and market alternatives). Each dimension is scored 1–10. The Overall score is a weighted composite: Features 40%, Ease of Use 30%, Value 30%.

Self-hosted invoice software empowers businesses and freelancers with control over financial workflows, data privacy, and tailored functionality—critical factors in modern financial management. With a wide range of tools available, from feature-packed platforms to simple, lightweight solutions, selecting the right one can streamline operations and enhance efficiency. Our expert-curated list, featuring the tools poised to lead in 2026, aims to guide users toward the best fit for their unique needs.

Quick Overview

  1. 1#1: Invoice Ninja - Feature-rich self-hosted invoicing platform with client management, recurring billing, payments, and reporting.
  2. 2#2: Crater - Modern open-source invoicing app for freelancers and small businesses with a clean UI and essential billing features.
  3. 3#3: Akaunting - Free self-hosted accounting software including invoicing, expenses, banking, and multi-currency support.
  4. 4#4: InvoicePlane - Lightweight self-hosted open-source application for managing quotes, invoices, clients, and payments.
  5. 5#5: FusionInvoice - Comprehensive self-hosted invoicing system with recurring invoices, quotes, and client portal.
  6. 6#6: Dolibarr - Modular open-source ERP and CRM with built-in invoicing, sales, and accounting capabilities.
  7. 7#7: Odoo - Powerful self-hosted ERP suite featuring advanced invoicing, inventory, and accounting modules.
  8. 8#8: ERPNext - Full-featured open-source ERP with sales invoicing, accounting, and project management tools.
  9. 9#9: SolidInvoice - Clean and simple self-hosted invoicing application built on Symfony for task and client tracking.
  10. 10#10: Simple Invoices - Basic self-hosted PHP-based invoicing tool for creating and managing simple invoices.

Tools were ranked based on a blend of functionality (including recurring billing, client management, and reporting), technical quality (such as open-source integrity and scalability), ease of use (intuitive interfaces and setup), and overall value (comprehensive features at accessible price points), ensuring a balanced selection for diverse user requirements.

Comparison Table

This comparison table explores top self-hosted invoice software tools—including Invoice Ninja, Crater, Akaunting, InvoicePlane, and FusionInvoice—providing readers with a clear overview of key features, usability, and functionality to match their invoicing needs.

Feature-rich self-hosted invoicing platform with client management, recurring billing, payments, and reporting.

Features
9.6/10
Ease
8.2/10
Value
9.9/10
2Crater logo9.2/10

Modern open-source invoicing app for freelancers and small businesses with a clean UI and essential billing features.

Features
8.8/10
Ease
8.5/10
Value
10/10
3Akaunting logo8.2/10

Free self-hosted accounting software including invoicing, expenses, banking, and multi-currency support.

Features
8.5/10
Ease
7.8/10
Value
9.5/10

Lightweight self-hosted open-source application for managing quotes, invoices, clients, and payments.

Features
7.2/10
Ease
6.8/10
Value
9.5/10

Comprehensive self-hosted invoicing system with recurring invoices, quotes, and client portal.

Features
6.8/10
Ease
6.0/10
Value
8.5/10
6Dolibarr logo8.2/10

Modular open-source ERP and CRM with built-in invoicing, sales, and accounting capabilities.

Features
8.5/10
Ease
7.0/10
Value
9.5/10
7Odoo logo8.1/10

Powerful self-hosted ERP suite featuring advanced invoicing, inventory, and accounting modules.

Features
9.3/10
Ease
6.5/10
Value
9.2/10
8ERPNext logo8.2/10

Full-featured open-source ERP with sales invoicing, accounting, and project management tools.

Features
9.5/10
Ease
6.8/10
Value
9.8/10

Clean and simple self-hosted invoicing application built on Symfony for task and client tracking.

Features
6.8/10
Ease
6.5/10
Value
9.5/10

Basic self-hosted PHP-based invoicing tool for creating and managing simple invoices.

Features
6.8/10
Ease
6.5/10
Value
10/10
1
Invoice Ninja logo

Invoice Ninja

specialized

Feature-rich self-hosted invoicing platform with client management, recurring billing, payments, and reporting.

Overall Rating9.4/10
Features
9.6/10
Ease of Use
8.2/10
Value
9.9/10
Standout Feature

Open-source self-hosting with built-in support for unlimited companies and seamless payment processing without third-party dependencies.

Invoice Ninja is a robust open-source invoicing platform designed for self-hosting, enabling users to create, send, and track professional invoices, quotes, and payments entirely on their own servers. It supports multi-company management, client portals, expense tracking, projects, and tasks, with seamless integrations for payment gateways like Stripe and PayPal. The software emphasizes customization, including branded templates and automated recurring billing, making it a comprehensive solution for businesses seeking data sovereignty and cost efficiency.

Pros

  • Fully open-source and free for self-hosting with no usage limits
  • Extensive features like multi-company support, recurring invoices, and payment integrations
  • Highly customizable invoice templates and client portals

Cons

  • Requires technical knowledge for server setup, maintenance, and updates
  • User interface feels somewhat dated compared to modern SaaS alternatives
  • Advanced Pro features (e.g., more apps and white-labeling) require a paid license

Best For

Technically inclined freelancers, agencies, and small businesses wanting full data control and zero recurring fees in a self-hosted invoicing solution.

Pricing

Core self-hosted version is free and open-source; optional Pro license for advanced features starts at $10/month or $108/year per company.

Official docs verifiedFeature audit 2026Independent reviewAI-verified
Visit Invoice Ninjainvoiceninja.com
2
Crater logo

Crater

specialized

Modern open-source invoicing app for freelancers and small businesses with a clean UI and essential billing features.

Overall Rating9.2/10
Features
8.8/10
Ease of Use
8.5/10
Value
10/10
Standout Feature

100% free forever with unlimited invoices, customers, and features—no freemium upsells.

Crater is a 100% free, open-source, self-hosted invoicing platform built for freelancers, small businesses, and teams needing full control over their financial data. It supports creating professional invoices, estimates, recurring billing, expense tracking, inventory management, and detailed reporting, all accessible via a modern, responsive web interface. Deployable via Docker or direct PHP/Laravel installation, it ensures data privacy without vendor lock-in or subscription costs.

Pros

  • Completely free and open-source with no usage limits or hidden fees
  • Easy self-hosting options including one-click Docker deployment
  • Comprehensive invoicing tools like multi-currency, taxes, and PDF exports

Cons

  • Requires technical setup knowledge for server hosting and maintenance
  • Limited native integrations compared to enterprise SaaS alternatives
  • Community-driven support rather than dedicated customer service

Best For

Freelancers and small businesses seeking a powerful, privacy-focused invoicing solution without recurring costs.

Pricing

Free (open-source under MIT license, self-hosted with no paid tiers).

Official docs verifiedFeature audit 2026Independent reviewAI-verified
Visit Cratercraterapp.com
3
Akaunting logo

Akaunting

enterprise

Free self-hosted accounting software including invoicing, expenses, banking, and multi-currency support.

Overall Rating8.2/10
Features
8.5/10
Ease of Use
7.8/10
Value
9.5/10
Standout Feature

Extensive modular app store for adding features like CRM, inventory, or payroll without core modifications

Akaunting is a free, open-source, self-hosted accounting and invoicing platform designed for small businesses and freelancers. It provides comprehensive tools for creating invoices, managing expenses, tracking payments, generating reports, and handling multi-currency transactions. With a modern interface and modular architecture, it allows users to extend functionality via an app store while maintaining full control over their data on their own servers.

Pros

  • Free open-source core with no licensing fees
  • Modular app ecosystem for easy extensions
  • Multi-company, multi-currency, and multilingual support

Cons

  • Self-hosting requires technical setup and server maintenance
  • Advanced features often locked behind paid apps
  • Limited official support, relying on community forums

Best For

Small businesses and freelancers comfortable with self-hosting who need a customizable invoicing solution without subscription costs.

Pricing

Free for self-hosted open-source version; optional paid apps ($10-$50 one-time) and cloud hosting from $8/month.

Official docs verifiedFeature audit 2026Independent reviewAI-verified
Visit Akauntingakaunting.com
4
InvoicePlane logo

InvoicePlane

specialized

Lightweight self-hosted open-source application for managing quotes, invoices, clients, and payments.

Overall Rating7.6/10
Features
7.2/10
Ease of Use
6.8/10
Value
9.5/10
Standout Feature

Highly customizable invoice templates and fields via modules and extensions

InvoicePlane is a free, open-source, self-hosted invoicing solution that enables users to create and manage invoices, quotes, clients, payments, and expenses directly from their own server. It offers core features like recurring invoices, custom fields, multi-language and multi-currency support, PDF generation, and basic reporting. While lightweight and customizable, it relies on community maintenance as official development has slowed.

Pros

  • Completely free and open-source with no usage limits
  • Full data ownership and self-hosting privacy
  • Lightweight with essential invoicing tools like recurring bills and custom PDFs

Cons

  • Dated user interface that feels outdated
  • Limited advanced features and integrations
  • Requires technical setup and ongoing maintenance for security

Best For

Freelancers or small businesses comfortable with server management seeking a no-cost, basic self-hosted invoicing tool.

Pricing

Free (open-source, self-hosted; optional paid hosting or support via community)

Official docs verifiedFeature audit 2026Independent reviewAI-verified
Visit InvoicePlaneinvoiceplane.com
5
FusionInvoice logo

FusionInvoice

specialized

Comprehensive self-hosted invoicing system with recurring invoices, quotes, and client portal.

Overall Rating6.2/10
Features
6.8/10
Ease of Use
6.0/10
Value
8.5/10
Standout Feature

Multi-company support, allowing seamless management of multiple businesses from a single dashboard

FusionInvoice is a free, open-source, self-hosted invoicing solution built with PHP and MySQL, designed for creating and managing invoices, quotes, recurring bills, and client payments. It supports multiple companies from a single installation, custom fields, PDF generation, and basic integrations with PayPal and Stripe. While feature-rich for its time, it is no longer actively maintained, making it suitable primarily for users comfortable with legacy software and self-maintenance.

Pros

  • Completely free and open-source with no subscription fees
  • Full self-hosting control and data ownership
  • Multi-company support in one installation

Cons

  • No longer actively maintained (last update ~2018)
  • Outdated UI and lacks modern features like automation
  • Installation requires server knowledge; potential security vulnerabilities

Best For

Freelancers and small businesses seeking a free, basic self-hosted invoicing tool who can manage their own hosting and updates.

Pricing

Free (open-source, perpetual license with optional paid support historically)

Official docs verifiedFeature audit 2026Independent reviewAI-verified
Visit FusionInvoicefusioninvoice.com
6
Dolibarr logo

Dolibarr

enterprise

Modular open-source ERP and CRM with built-in invoicing, sales, and accounting capabilities.

Overall Rating8.2/10
Features
8.5/10
Ease of Use
7.0/10
Value
9.5/10
Standout Feature

Modular architecture allowing users to enable only invoicing or expand to full ERP/CRM without extra costs

Dolibarr is a free, open-source ERP and CRM suite that excels as a self-hosted invoicing solution, enabling users to create, send, and track invoices, proposals, orders, and payments. It supports multi-company, multi-currency, and multi-language operations with features like PDF generation, recurring invoices, and online payments. The modular design allows selective activation of invoicing alongside other business tools like inventory and HR management.

Pros

  • Completely free and open-source with no licensing costs
  • Highly modular system for tailored invoicing and ERP features
  • Robust invoicing tools including templates, automation, and integrations

Cons

  • Outdated user interface compared to modern alternatives
  • Steeper learning curve due to extensive features
  • Requires technical setup and server maintenance knowledge

Best For

Small to medium businesses seeking a cost-free, self-hosted ERP with strong invoicing that can scale to full business management.

Pricing

Free open-source software; self-hosted with optional paid modules, themes, and professional support.

Official docs verifiedFeature audit 2026Independent reviewAI-verified
Visit Dolibarrdolibarr.org
7
Odoo logo

Odoo

enterprise

Powerful self-hosted ERP suite featuring advanced invoicing, inventory, and accounting modules.

Overall Rating8.1/10
Features
9.3/10
Ease of Use
6.5/10
Value
9.2/10
Standout Feature

Seamless integration of invoicing with full ERP modules like CRM, inventory, and eCommerce for end-to-end business automation.

Odoo is a versatile open-source ERP platform with powerful invoicing modules, available as a free self-hosted Community Edition. It enables automated invoice creation, recurring billing, multi-currency support, online payments, and seamless integration with accounting, CRM, and inventory apps. Ideal for businesses seeking a scalable, customizable solution without vendor lock-in, though it requires server setup and maintenance.

Pros

  • Extensive modular app ecosystem for invoicing and beyond
  • Free Community Edition with no licensing fees for self-hosting
  • Highly customizable with strong automation and reporting tools

Cons

  • Complex self-hosting setup requiring technical expertise
  • Steep learning curve for configuration and customization
  • Resource-intensive, needing robust servers for optimal performance

Best For

Growing businesses with IT resources needing integrated invoicing within a full ERP system.

Pricing

Community Edition free for self-hosting; Enterprise Edition adds premium features for $24.90/user/month (annual billing).

Official docs verifiedFeature audit 2026Independent reviewAI-verified
Visit Odooodoo.com
8
ERPNext logo

ERPNext

enterprise

Full-featured open-source ERP with sales invoicing, accounting, and project management tools.

Overall Rating8.2/10
Features
9.5/10
Ease of Use
6.8/10
Value
9.8/10
Standout Feature

Deep ERP integration where invoices automatically sync with accounting, inventory, and projects

ERPNext is an open-source, self-hosted ERP platform that provides robust invoicing capabilities as part of its comprehensive business management suite, enabling users to generate, customize, and automate invoices with multi-currency support and tax compliance. It integrates invoicing seamlessly with accounting, inventory, CRM, and project management modules for end-to-end operations. Ideal for self-hosting on your own servers, it offers full data sovereignty and scalability without vendor lock-in.

Pros

  • Fully open-source and free to self-host with no licensing fees
  • Advanced invoicing with automation, recurring billing, and ERP integrations
  • Highly customizable workflows and reports

Cons

  • Steep learning curve due to full ERP complexity
  • Complex initial setup requiring technical expertise
  • UI feels dated compared to dedicated invoicing tools

Best For

Mid-sized businesses needing integrated invoicing within a full self-hosted ERP system.

Pricing

Free open-source core; self-hosting costs (server ~$10-100/month) plus optional paid support or cloud hosting starting at $10/user/month.

Official docs verifiedFeature audit 2026Independent reviewAI-verified
Visit ERPNexterpnext.com
9
SolidInvoice logo

SolidInvoice

specialized

Clean and simple self-hosted invoicing application built on Symfony for task and client tracking.

Overall Rating7.2/10
Features
6.8/10
Ease of Use
6.5/10
Value
9.5/10
Standout Feature

Symfony-based architecture allowing easy extensibility and custom plugins for personalized invoicing needs

SolidInvoice is a free, open-source, self-hosted invoicing application built with modern PHP (Symfony framework) for freelancers and small businesses. It enables users to create professional invoices and quotes, manage clients and payments, generate PDFs, and handle recurring billing. The software emphasizes simplicity and customization without ongoing subscription costs.

Pros

  • Completely free and open-source with no licensing fees
  • Customizable code base for tailored invoicing workflows
  • Clean, modern interface with PDF export and email integration

Cons

  • Requires technical setup (PHP, Composer, database server)
  • Lacks advanced features like time tracking, inventory, or CRM integrations
  • Limited active development and community support compared to competitors

Best For

Tech-savvy freelancers and small teams seeking a lightweight, cost-free self-hosted invoicing solution without needing enterprise-level features.

Pricing

Free (open-source, self-hosted; no paid plans or tiers)

Official docs verifiedFeature audit 2026Independent reviewAI-verified
Visit SolidInvoicesolidinvoice.co
10
Simple Invoices logo

Simple Invoices

other

Basic self-hosted PHP-based invoicing tool for creating and managing simple invoices.

Overall Rating7.1/10
Features
6.8/10
Ease of Use
6.5/10
Value
10/10
Standout Feature

Zero-cost, unlimited usage with complete self-hosting control

Simple Invoices is a free, open-source, self-hosted PHP-based invoicing application designed for creating, managing, and tracking invoices, quotes, and payments. It supports customer and product management, recurring invoices, multi-currency handling, tax calculations, and basic reporting, all running on your own server with MySQL or PostgreSQL. While lightweight and straightforward, it caters to users needing essential invoicing without cloud dependencies.

Pros

  • Completely free and open-source with no limits
  • Full data ownership via self-hosting
  • Lightweight with multi-language and multi-currency support

Cons

  • Dated, clunky user interface
  • Lacks modern features like automated reminders or integrations
  • Manual installation requires technical setup

Best For

Freelancers and very small businesses seeking a no-cost, basic self-hosted invoicing solution without advanced needs.

Pricing

Free (open-source, self-hosted)

Official docs verifiedFeature audit 2026Independent reviewAI-verified
Visit Simple Invoicessimpleinvoices.org

Conclusion

This review of top self-hosted invoice software showcased tools tailored to diverse needs, from freelancers to small businesses. Leading the pack, Invoice Ninja stood out as the top choice, offering a rich set of features including client management, recurring billing, and payments, ideal for those prioritizing versatility. Close alternatives like Crater, with its modern UI, and Akaunting, boasting free accounting and multi-currency support, also proved strong options for specific requirements.

Invoice Ninja logo
Our Top Pick
Invoice Ninja

Don’t miss out on streamlining your invoicing—start with Invoice Ninja, the top-ranked tool, and experience its comprehensive features to take control of your billing with ease.