1. PicPick

https://picpick.app/zh/
https://picpick.app/en/

A full-featured screen capture and recording tool, Intuitive image editor, color picker, color palette, pixel-ruler, protractor, crosshair, whiteboard and more.
一个全功能的屏幕截图工具，直观的图像编辑器，颜色选择器，颜色调色板，像素标尺，量角器，瞄准线和白板等等。

1.1. PicPick 中文

File -> Program Options -> General -> Language

1.2. Hot keys

File -> Program Options -> Hot keys

​​​

References

[1] Yongqiang Cheng, https://yongqiang.blog.csdn.net/