ULYS PROJECT | FIRST SOCIAL NETWORK OF YOUNG PLURILINGUAL AND MOBILE EUROPEAN PEN PAL #penpal #school #plurilinguism #bilinguism #plurilingual #europe #young First social network of young plurilingual and mobile European pen pal. ULYS is a social network of young European pen pals from 11 to 18 years old with a platform to quickly find pen pal and interest group and instant messenger to chat, audio and video.