APiCS Online – The Atlas of Pidgin and Creole Language Structures – http://apics-online.info/

eWAVE – The Electronic World Atlas of Varieties of English – http://ewave-atlas.org/introduction

International Phonetic Alphabet (IPA) with sound (uvic.ca) – https://web.uvic.ca/ling/resources/ipa/charts/IPAlab/IPAlab.htm