The best open source alternative to BUSY Accounting Software is GnuCash, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to BUSY Accounting Software and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to BUSY Accounting Software are HomeBank (Free, Open Source), Money Manager Ex (Free, Open Source), MoneyWallet (Free, Open Source) and KMyMoney (Free, Open Source).
Money Manager Ex is a free, open-source, cross-platform, easy-to-use personal finance software. It primarily helps organize one's finances and keeps track of where, when and how the money goes. It is also a great tool to get a bird's eye view of your financial worth.
MoneyWallet is an Android application that let you track your expenses. You can organize your data using custom categories, events, places and people tags. The best alternative to others apps, free and open source.
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.
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.
Grisbi is a personal accounting application running under GNU/Linux and Windows, released under the GPL licence. Our aim is to provide you with the most simple and intuitive software for basic use, and still very powerful if you spend a little time on the setup.
webERP is a complete web based accounting/ERP system that requires only a web-browser and pdf reader to use. It has a wide range of features suitable for many businesses particularly distributed businesses in wholesale and distribution.