Kalanga. Kalanga, or TjiKalanga, is a Bantu language spoken by the Kalanga people in Botswana and Zimbabwe which belongs to the Shonic (Shona-Nyai) branch of the Bantu languages, within the Niger-Congo languages. It has an extensive phoneme inventory, which includes palatalised, velarised, aspirated and breathy-voiced consonants, as well as whistled sibilants.