One of the many audio editors and converters out there in market. It provides you most of the operations which you would like to or ever need to perform on your audio data, like open, creating, editing, cutting, joining two or more files, recording, mixing and many more. Supports most of the audio formats out therein the market. You will find it very easy to operate as the interface is helpful enough for a novice user. Most of the previous bugs have been fixed in the latest release. Most importantly the software is lightweight and doesn't use much of the system resources. The speed with which it performs the task is quite good.
Worth giving it a try, its limited version is free to try. Definitely not the best software available in its category, but a good one at a $29 price.