European languages
English (en)
Nederlands (Dutch - nl)
Deutsch (German - de)
Español (Spanish - es)
Français (French - fr)
Italiano (Italian - it)
Português (Portuguese - pt)
Polski (Polish - pl)
Svenska (Swedish - sv)
Dansk (Danish - da)
Norsk (Norwegian - no)
Suomi (Finnish - fi)
Čeština (Czech - cs)
Magyar (Hungarian - hu)
Română (Romanian - ro)
Български (Bulgarian - bg)
Slovenčina (Slovak - sk)
Slovenščina (Slovenian - sl)
Hrvatski (Croatian - hr)
Eesti (Estonian - et)
Latviešu (Latvian - lv)
Lietuvių (Lithuanian - lt)
Íslenska (Icelandic - is)
Українська (Ukrainian - uk)
Русский (Russian - ru)
Türkçe (Turkish - tr)
Ελληνικά (Greek - el)
Regional & Minority Languages (Europe)
Català (Catalan - ca)
Valencià (Valencian - ca-ES-valencia)
Euskara (Basque - eu)
Galego (Galician - gl)
Gaeilge (Irish - ga)
Cymraeg (Welsh - cy)
Frysk (Frisian - fy)
Malti (Maltese - mt)
Shqip (Albanian - sq)
Middle Eastern & African Languages
עברית (Hebrew - iw/he)
العربية (Arabic - ar)
فارسی (Persian - fa)
Kiswahili (Swahili - sw)
Afrikaans (af)
isiZulu (Zulu - zu)
isiXhosa (Xhosa - xh)
አማርኛ (Amharic - am)
Yorùbá (Yoruba - yo)
Asụsụ Igbo (Igbo - ig)
Asian Languages
简体中文 (Simplified Chinese - zh-rCN)
繁體中文 (Traditional Chinese - zh-rTW)
日本語 (Japanese - ja)
한국어 (Korean - ko)
हिन्दी (Hindi - hi)
বাংলা (Bengali - bn)
ਪੰਜਾਬੀ (Punjabi - pa)
मराठी (Marathi - mr)
తెలుగు (Telugu - te)
தமிழ் (Tamil - ta)
اردו (Urdu - ur)
ગુજરાતી (Gujarati - gu)
ಕನ್ನಡ (Kannada - kn)
മലയാളം (Malayalam - ml)
Bahasa Indonesia (Indonesian - id)
Bahasa Melayu (Malay - ms)
Tiếng Việt (Vietnamese - vi)
ไทย (Thai - th)
Tagalog (tl)
ភាសាខ្មែរ (Khmer - km)
ພາສາລາວ (Lao - lo)
မြန်မာစာ (Burmese - my)
Caucasus & Central Asian Languages
Հայերեն (Armenian - hy)
ქართული (Georgian - ka)
Azərbaycanca (Azerbaijani - az)
Қазақ тілі (Kazakh - kk)
Extraterrestrial languages
Not much to be said.