Audacity 
Audacity is a popular, free, open-source audio editor available for Windows, macOS and UNIX operating systems. This editor is capable of recording and handling high-quality audio. It can handle multiple audio editing and audio recording tasks at the same time with ease. This is also used for making ringtones, mixing tracks, and transferring tapes and records to a computer or CD. Another purpose of using this software is to split recordings which are mixed with noise and other sounds and saving them as separate records. Audacity provides in-depth descriptions of how the software, making it user-friendly. 

Why you must get it: 
The main reason for the popularity of Audacity is that it's a free audio editing software. Most of the audio editing software is priced very high, which scares beginners. This audio editing interface is nearly identical across all operating systems which makes sure that customers can use it comfortably no matter what device it is accessed from. This editor allows the production of high- quality podcasts without the involvement of any extra plugins. It makes the  multitrack editing tasks easier. Audacity merges multiple tracks at the same time and creates wave editing for each in the same interface. It also allows the addition of extra effects, features and functionality to audio easily.