Categories / Invoicing & Finance

Open Source Invoicing & Finance Apps

Discover the top open source Invoicing & Finance software to manage billing, expenses, payments, and accounting. Take control of your finances!

27 apps available

Apps in Invoicing & Finance

MIT
TypeScript
94%
MIT

Actual

Invoicing Finance

28,786

Local-first personal finance with envelope budgeting, end-to-end encryption, and multi-device sync — no subscription required.

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93
Repo Health
85
Technical
73
Dependency
Built with
TypeScript 94%
Updated 1 weeks ago
Go
95%
MIT

Formance Ledger

Databases · Developer Tools · Invoicing Finance

1,387

The programmable open source core ledger for fintech — build money-moving applications with atomic multi-posting transactions, account-based modeling, and Numscript, a built-in DSL for financial logic.

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89
Repo Health
8
Technical
68
Dependency
Built with
Go 95%
Updated 1 weeks ago
Go
37%
MIT

ezBookkeeping

Invoicing Finance

5,578

Lightweight self-hosted personal finance manager with AI receipt scanning, multi-currency support, and MCP integration for complete data privacy.

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88
Repo Health
80
Technical
72
Dependency
Built with
Go 37%
Vue 34%
TypeScript 25%
Updated 1 weeks ago
TypeScript
98%
MIT

SplitPro

Invoicing Finance

1,435

Self-hosted, open source expense splitting with multi-currency, recurring bills, and bank imports — a complete Splitwise replacement you control.

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81
Repo Health
77
Technical
69
Dependency
Built with
TypeScript 98%
Updated 1 months ago
PHP
71%
MIT

Yaffa

Invoicing Finance

108

Self-hosted personal finance app for long-term financial planning with AI-powered transaction parsing and investment tracking.

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77
Repo Health
78
Technical
69
Dependency
Built with
PHP 71%
Vue 24%
Updated 1 weeks ago

About Invoicing & Finance

Managing finances effectively is crucial for any individual or organization. Open source Invoicing & Finance software provides a range of tools to streamline these processes, offering control and transparency over monetary operations. These solutions often include features like invoice creation, expense tracking, payment processing, and financial reporting.

The functionality within this category is diverse. Common capabilities include:

  • Invoice Generation: Creating professional invoices with customizable templates and branding.
  • Expense Management: Tracking business expenses, categorizing costs, and generating expense reports.
  • Payment Processing: Integrating with payment gateways to accept online payments securely.
  • Financial Reporting: Generating key financial statements like profit and loss statements, balance sheets, and cash flow reports.
  • Budgeting: Tools for creating and managing budgets to control spending.
  • Tax Calculation & Reporting: Automating tax calculations and preparing reports for filing purposes.

The value proposition of open source Invoicing & Finance software is significant. Users gain greater control over their data, reduce reliance on proprietary systems, and avoid vendor lock-in. These applications are often customizable to fit specific business needs and can integrate with other open source tools for a comprehensive solution. They empower teams to automate repetitive tasks, improve accuracy in financial records, and ultimately make better informed business decisions. Businesses can also reduce operational costs by leveraging self-hosted solutions and community support.

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