Homebrew

homebrew.sh

# Howebrew package manager for OS X is useful for installing unix terminal tools.

# Install Homebrew
/usr/bin/ruby -e "$(curl -fsSL https://raw.github.com/gist/323731)"

# Install wget
brew install wget
brew install openssl

# Update homebrew and all your packages
brew update && brew upgrade

# Show all the outdated packages
brew outdated

# Show all the outdated packages
brew search

# Search the packages
brew search wget

# List the installed packages
brew list

# Information about an installed packages
brew info libxml2

# Other brew commands
https://github.com/mxcl/homebrew/wiki/The-brew-command