Leaflet bụ ọbá akwụkwọ Javascript mepere emepe ejiri wuo ngwa nkewa weebụ. Nke mbu ewepụtara na 2011, ọ na-akwado ọtụtụ nyiwe ekwentị na desktọpụ, na-akwado HTML5 na CSS3. N'ime ndị ọrụ ya bụ FourSquare, Pinterest na Flickr. Mpempe akwụkwọ na-enye ndị mmepe na-enweghị ndabere GIS ohere igosipụta maapụ webụ tied tied nke a na-akwado na sava ọha, yana ihe mkpuchi taịlị nhọrọ. Ọ nwere ike ibunye data atụmatụ sitere na faịlụ GeoJSON, hazie ya wee mepụta ọkwa mmekọrịta, dị ka akara nwere mpụta mgbe ịpịrị ya.