fzf - A command-line fuzzy finder written in Go
grepWin - grepWin is a simple search and replace tool which can use PCRE regular expressions to search for...
fzy - A better fuzzy finder
PowerGREP - Quickly search through large numbers of files on your PC or network using powerful text patterns to find exactly the information you want. Search and replace with plain text or regular expressions to maintain web sites, source code, reports, ...
skim (fuzzy finder) - Discover open source libraries, modules and frameworks you can use in your code
dnGREP - dnGrep allows you to search across files with easy-to-read results.