Mac上，9个必装的免费软件

1.IINA: https://iina.io/

2.keka: https://www.keka.io/zh-cn/

3.欧陆词典： https://www.eudic.net/v4/en/app/eudic PS：App Store 版本完全免费

4.Cheat Sheet：https://mediaatelier.com/CheatSheet/

5.Spectacle: https://www.spectacleapp.com/

6.Itsycal: https://www.mowglii.com/itsycal/

7.Amphetamine: App Store

8.Snip: https://snip.qq.com

9.Aerial： https://github.com/JohnCoates/Aerial