ack - Ack is designed as a standalone (one perl file) replacement for 99% of the uses of grep.
The Silver Searcher - A code searching tool similar to ack, with a focus on speed.
grep - grep is a command-line utility for searching plain-text data sets for lines matching a regular...
datamash - GNU datamash is command-line program which performs simple calculation (e.g.
dnGREP - dnGrep allows you to search across files with easy-to-read results.
grepWin - grepWin is a simple search and replace tool which can use PCRE regular expressions to search for...