This is a basic setup for development productivity.

.zshrc

# My Projects shortcut function:
PROJECTS_DIR="/Users/me/Projects"
p() {
  PROJECT_NAME="$1";
  cd "$PROJECTS_DIR/$PROJECT_NAME";
}

_projects_list() {
  reply=($(ls $PROJECTS_DIR))
}

compctl -K _projects_list p
compctl -K _projects_list launch

launch.sh

#!/bin/zsh

launch () {
  project="$1"
	/usr/bin/osascript ~/.console/apple_scripts/launch_project.scpt $project
}

launch_project.scpt

on run argv
  tell application "iTerm"
    activate

    tell current terminal

      tell the last session
        write text "p " & item 1 of argv
        write text "guard"
      end

      launch session "Default"
      tell the last session
        write text "p " & item 1 of argv
      end

      launch session "Default"
      tell the last session
        write text "p " & item 1 of argv
        write text "rails c"
      end

      launch session "Default"
      tell the last session
        write text "p " & item 1 of argv
      end

      launch session "Default"
      tell the last session
        write text "p " & item 1 of argv
        write text "tail -f log/development.log"
      end

      select second session
    end tell

  end tell
end run