Students of the World and Amazing Kids! both offer pen pal programs for children and students around the world, as of 2015. Students of the World is a free online program, while Amazing Kids! is a paid program designed to help build literacy skills for the children involved.
Students of the World offers pen pal programs where letters are sent through the postal service, as well as through e-mails, forums and other methods. This program pairs children in 220 countries, based on age and each child's desired country.
The Amazing Kids! paid pen pal program is available for children around the world between the ages of five and 17. Group discounts based on the number of people in the group are available through this program.