Hi all,
Most Echeverias or some of the non-spiky Aloes, nearly all the Livingstone "Daisies" Lampranthus etc. (Lithops etc are a bit tricky ), Orbea variegata, Cereopegia woodii etc, Sedum spp. plenty of these - S. morganianum perhaps? Crassula ovata or multicava, or any of the C. pyramidalis...