[ahmetmsft]

For those who like the autosuggestion feature of Fish but can't leave oh-my-zsh, there's a plugin for that: https://github.com/tarruda/zsh-autosuggestions

[wldcordeiro]

For those who use antigen you can add this line to your .zshrc to install this.

antigen bundle tarruda/zsh-autosuggestions