GnuCash is personal and small-business financial-accounting software, freely licensed under the GNU GPL and available for GNU/Linux, *BSD, Solaris and Mac OSX.
One of the things you always have trouble remembering when working with linux is what is the correct ".profile" to edit when you want to automatically set environmental variables.
MySQL, the most popular Open Source SQL database management system, is developed, distributed, and supported by MySQL AB. MySQL AB is a commercial company, founded by the MySQL developers. It is a second generation Open Source company that unites Open Source values and methodology with a successful business model.
Folks, allow me to introduce the Gutsy Gibbon, who will be succeeding the Feisty Fawn as the focus of our development love in a few short weeks, for release in October 2007.” -- Shuttleworth
bzip2 and bunzip2 are file compression and decompression utilities. The bzip2 and bunzip2 utilities are newer than gzip and gunzip and are not as common yet, but they are rapidly gaining popularity. The bzip2 utility is capable of greater compression ratios than gzip. Therefore, a bzip2 file can be 10-20% smaller than a gzip version of the same file. Usually, files that have been compressed by bzip2 will have a .bz2 extension.