Malicious host finder based on gource Formula was removed
Last versions were

Revision: 6

mal4s requires the following formulae to be installed:
pkg-config 0.29.2 Manage compile and link flags for libraries
autoconf 2.69 Automatic configure script builder
automake 1.16.1 Tool for generating GNU Standards-compliant Makefiles
libtool 2.4.6_1 Generic library support script
glm C++ mathematics library for graphics software
boost 1.66.0 Collection of portable C++ source libraries
glew 2.1.0 OpenGL Extension Wrangler Library
pcre 8.41 Perl compatible regular expressions library
sdl2 2.0.8 Low-level access to audio, keyboard, mouse, joystick, and graphics
sdl2_image 2.0.3 Library for loading images as SDL surfaces and textures
sdl2_mixer 2.0.2_3 Sample multi-channel audio mixer library
freetype 2.9 Software library to render fonts

Recent formula history

FX Coudert mal4s: remove
FX Coudert mal4s: do not depend on boost C++11
ilovezfs mal4s: use assert_predicate instead of File.exist?
ilovezfs mal4s: remove unused jpeg dependency
ilovezfs mal4s: revision for glew

Formula code at GitHub