GnuCash is personal and small-business financial-accounting software, freely licensed under the GNU GPL and available for GNU/Linux, BSD, Solaris, Mac OS X and Microsoft Windows.

HomeBank is a free software. Use it to manage your personal accounts. It is designed to easy to use. Analyse your finances in detail using powerful filtering tools and graphs.

Odoo, formerly known as OpenERP, is an open-source business application suite developed in Python under the AGPL license. It follows the Open Core software business model and serves a global user base of 2 million.

Gain Total Control of Your Money.

ERPNext is a free and open-source integrated Enterprise Resource Planning (ERP) software developed by Frappé Technologies Pvt. Ltd. and is built on MariaDB database system using a Python based server-side framework.

Paisa is a Personal finance manager. It builds on top of the Ledger double entry accounting tool.

Dolibarr ERP & CRM is a modern and easy to use open-source web software package to manage your business (customers, invoices, orders, products, stocks, agenda, e-mailings, shipments...).

The goal of the solution is to create an application that is intuitive, efficient, and inclusive; to manage personal finances while ensuring that no one is left behind.

Skrooge allows you to manage your personal finances, powered by KDE 4.x. Thanks to its many features, it is one of the most powerful way to enter, follow, and analyze your expenses.

KMyMoney is a cross-platform personal finance manager built on KDE frameworks technologies for your desktop and notebook environment. It enables users to keep careful track of their personal finances by providing a broad array of financial features and tools.

Manager is free accounting software for Windows, Mac and Linux.

It features an intuitive and innovative user interface with modules such as cashbook, invoicing, receivables, payables, taxes and comprehensive financial reports.

The desktop edition is free while the cloud edition.

Personal budgeting software inspired by budget-to-zero and the envelope system. Works offline and no signup required.

Intuit QuickBooks is an accounting software with financial management tools like payroll management, live bookkeeping, and flexible accounting plans for all business sizes. It provides record-keeping, reporting, inventory management, and integrates with over 750 apps.

Wave makes it easy to be your own boss. Just do what you're good at, and lean on Wave's smart online software for help with invoicing, accounting and payroll.

InvoicePlane is a self-hosted open source application for managing your quotes, invoices, clients and payments. The application comes with various options, templates and settings to customize your invoicing experience.