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.

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.

Offers accounting software with payroll, bookkeeping, invoicing, app integration, and inventory tools. Four plans cater to businesses of all sizes. Automates reconciliation and shares with accountants seamlessly. Higher tiers add project tracking.

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.

The modern way to manage your money. Monarch makes it easy to track all of your accounts, optimize your spending, analyze your investments, and create a financial plan to achieve your goals.

From invoicing to expense tracking to accounting, Akaunting has all the tools you need to manage your money online, for free.

Quicken is a prominent personal finance software in the United States, designed to simplify the management of your financial matters. It provides a comprehensive platform to monitor spending, maintain daily finances, and adhere to a budget.

Ledger is a powerful, double-entry accounting system that is accessed from the UNIX command-line. This may put off some users, since there is no flashy UI, but for those who want unparalleled reporting access to their data there are few alternatives.

Comprehensive cloud accounting for small businesses and freelancers; save time billing clients by sending, tracking, and collecting payments swiftly. Generate professional invoices, manage expenses effortlessly, track project time seamlessly, and prepare for tax with ease.

Insightly is a web-based application that serves as a project management tool and a Customer Relationship Management (CRM) system. It integrates with Google Apps through a Gmail gadget and supports Google Docs.

Xero is a cloud-based accounting software for managing business finances. It allows users to send quotes and invoices, monitor cash flow, and pay staff from anywhere. It is suitable for small to large businesses, supporting complex accounting processes like bill payments...

Money Lover is a great yet simple manager for tracking your personal finance, i.e. your income, cash, spending, expenses, all conveniently from your mobile device.