Audacity is a free, open source recording and editing software widely used by a variety of companies, organizations and people. It has a fairly good editing component, and records with excellent quality.
iTunes is the standard for online music distribution. It allows you to download and buy anything from podcasts to music to movies, and is the program used to sync iDevices.
Voki is an easy to use web-based audioplayer. It records a short message and attaches it to a moving animation, which can be placed on your wikispace or other website.