Canva, PicMonkey and DrawPlus offer free poster-making services. Canva is a simple online design program. It offers thousands of free graphics and design elements to choose from, as well as many additional photos and upgrades $1 apiece.
PicMonkey is a free online photo editing program. With its custom design feature, users can choose the dimensions of their poster and can use free graphics or their own photos. DrawPlus Starter Edition is a free, downloadable graphic design program that allows users to create their own illustrations and is suitable for more advanced designers. DrawPlus has a wide variety of decorative effects to help users create unique and professional-looking designs.