| XO Teacher |
Maria Montessori |
Level |
| AnkiDroid | A flashcard-based study aid | Advanced |
| TED | Lightweight text editor | Advanced |
| XO Traveller |
Christopher Columbus |
Level |
| Andor's Trail | Role-Playing Game | Intermediate |
| JapaneseNameConverter | Converts any name from English into Japanese characters | Beginner |
| QuickDic | Offline translation dictionary | Intermediate |
| XO Writer |
William Shakespeare |
Level |
| Lexic | How many words on a grid of random letters ? | Intermediate |
| Quill | Pen note-taking | Intermediate |
| Wiktionary | Wiktionary client | Intermediate |