Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.
ADSR Sample Manager - A smart sample management tool for your DAW
Reaper - Reaper is a focused digital audio workstation (DAW) developed by Cockos. In the creation of the software, the digital audio technology company intended to make audio editing accessible to the masses.
Soundly - Functional music for better sleep, focus and relaxation
FL Studio - Image-Line's FL Studio, now on it's 12th version, is a well-known music production suite and the most popular beat processor on the market, due no doubt to its longevity. Read more about FL Studio.
Resonic Player - Resonic is the planet's fastest audio and music player, browser, and sample manager, built around a big waveform view and a frequency analyzer.