Gnucash is a free product that has been around since 1997 and is a good alternative to Commercial accounting software programs. While GnuCash is well suited for personal finances, it is also powerful and versatile enough to keep track of all your business financial needs, from the simple to the very complex. GnuCash makes running the business so easy, that you can focus on the heart of what you do. It is an excellent and powerful program for a free product. It is designed to be easy to use yet powerful and flexible, enough for small business bookkeeping.