QuickBooks is a line of business accounting software developed and marketed by Intuit. wikipedia.org

The general definition of an audit is a planned and documented activity performed by qualified personnel to determine by investigation, examination, or evaluation of objective evidence, the adequacy and compliance with established procedures, or applicable documents, and the effectiveness of implementation. wikipedia.org

Xero is an online accounting software product for small and medium-sized businesses, as well as for personal finance. The product is sold by subscription (a distribution model commonly known as Software as a Service or SaaS) requiring the payment of a monthly fee. wikipedia.org

Finance is often defined simply as the management of money or funds management. Modern finance, however, is a family of business activity that includes the origination, marketing, and management of cash and money surrogates through a variety of capital accounts, instruments, and markets created

Corporate tax refers to a tax imposed on entities that are taxed at the entity level in a particular jurisdiction; such taxes may include income or other taxes. Businesses increasingly trade across borders,dealing with constant development in domestic and international tax laws. wikipedia.org

International Financial Reporting Standards (IFRS) are designed as a common global language for business affairs so that company accounts are understandable and comparable across international boundaries. wikipedia.org

Financial modeling is the task of building an abstract representation (a model) of a financial decision making situation.

Financial analysis (also referred to as financial statement analysis or accounting analysis) refers to an assessment of the viability, stability and profitability of a business, sub-business or project. wikipedia.org

Odoo is a suite of open-source business apps written in Python and released under the AGPL license. wikipedia.org