fzf is indeed a very neat standalone tool, and for the use cases it has been optimized for, it is superior to Elvish's UI in many aspects. However, Elvish also

fzf is indeed a very neat standalone tool, and for the use cases it has been optimized for, it is superior to Elvish's UI in many aspects. However, Elvish also has a very expressive programming language, and eventually it will offer more options in programmability.