| Deutsch | deu-000 |
| Outline Processor Markup Language | |
| català | cat-000 | Outline Processor Markup Language |
| 普通话 | cmn-000 | OPML |
| 國語 | cmn-001 | OPML |
| dansk | dan-000 | Outline Processor Markup Language |
| English | eng-000 | OPML |
| English | eng-000 | Outline Processor Markup Language |
| suomi | fin-000 | Outline Processor Markup Language |
| français | fra-000 | Outline Processor Markup Language |
| magyar | hun-000 | OPML |
| italiano | ita-000 | OPML |
| italiano | ita-000 | Outline Processor Markup Language |
| 日本語 | jpn-000 | Outline Processor Markup Language |
| 日本語 | jpn-000 | アウトライン プロセッサ マークアップ言語 |
| Hangungmal | kor-001 | OPML |
| latviešu | lvs-000 | OPML |
| bokmål | nob-000 | Outline Processor Markup Language |
| polski | pol-000 | OPML |
| português | por-000 | OPML |
| русский | rus-000 | OPML |
| español | spa-000 | OPML |
| Türkçe | tur-000 | OPML |