If you want to edit audio files, the Audacity is still the best option. With more than 30 million downloads, it's pretty clear that the developers are doing something right. Whether you want to edit sounds recorded with a microphone, perhaps to produce a podcast, or you wish to edit music ripped from a CD or MP3 file, Audacity will do it.

With such powerful software, there are of course some downsides. It takes a while to master this program, but thankfully there are some helpful videos on Youtube if you search. But there's definitely nothing more powerful unless you want to spend hundreds of dollars on a product such as Adobe Audition.

The latest version of Audacity was released earlier this year, so if you're not currently running version 2.1.2 you should update. The file is 25 MB and is malware-free according to VirusTotal and Web of Trust.  Read More