2d 10Aside from being free, Solid Edge 2D Drafting makes our list of free 2D CAD software because of its user-friendly interface and intuitive parametric drawing toolkit with aWith Roll A Dice & Dice Roller, you can roll 4, 6, 10, or 20 dice. Have a specific number of dice to roll? A user-friendly interface will allow you to change the total number of rolls with just one click.