Gridzzly - Print your own grid paper
PenPal World - Connect with people all over the world
InCompetech Graph Paper - InCompetech is an online website that provides printable graph papers with over 30 designs organized into 6 categories, including Writing and Bullet Journaling, Plain Grids, Patterns, Recording, and Charting, Classic Writing, and Specialty and allow…
Unbordered - Unbordered app comes up with features to help you in finding the perfect language practice and exchange partners so you can practice foreign languages right through your mobile phone.
Paperkit - Create and download custom graph, lined, or dot grid paper
Anygram - Anygram app offers features that let you meet new people so you can make new foreign friends practice native languages to learn something new.