There’s something of a misconception when it comes to the Mac: that Mac apps cost more, just like the computer itself. While powerful tools like Photoshop or Final Cut Pro certainly have price tags commensurate with their robust feature sets, many of the greatest Mac apps won’t cost you anything more than the time they take to download them.
https://www.macworld.com/article/226525/free-mac-apps-every-mac-user-should-have.html