Comparative chart of various greplike tools (ack, ag, git-grep, GNU grep, and ripgrep) focusing on their features and differences in areas like regular expressions, parallelism, case-sensitivity, output formatting, and more. Each tool is listed with details on project page, language, license, and supported features. Ack is the copyright of Andy Lester and licensed under the Artistic License v2.0.
;; wgrep provides to edit grep buffer and to apply the changes to
;; the file buffer.