A macOS screensaver of the digital rain effect.
Written in Objective-C.
There is also an iOS version: https://github.com/zshowing/JSMatrixCodeRainView
You can download the screensaver file directly via this link: https://pan.baidu.com/s/1eRJE2P0
Caution: this screensaver is mainly for practices so it may neither save your screen nor save the energy of your laptop due to the extensive usage of CPU.
The font Matrix Code NFI is from Norfok® Inc. software.
This code is distributed under the terms and conditions of the MIT license.