ack is a grep-like search tool optimized for source code.

Other

ack3

A code-searching tool similar to ack, but faster.

Apache License 2.0

the_silver_searcher

A code search tool similar to ack and the_silver_searcher(ag). It supports multi platforms and multi encodings.

MIT License

the_platinum_searcher

**ack 2 is no longer being maintained.  ack 3 is the latest version.**

ack2

ack-el

It's my honor to drive you fucking fire faster, to have more time with your Family and Sunshine.This tool is for those who often want to search for a string Deeply into a directory in Recursive mode, but not with the great tools: grep, ack, ripgrep .........every thing should be Small, Thin, Fast, Lazy....without Think and Remember too much ...一个工具最大的价值不是它有多少功能，而是它能够让你以多快的速度达成所愿......

ack3

the_silver_searcher

the_platinum_searcher

ack2

ack-el

so_stupid_search