The Complete Happy Yellow Rock's BaZi and Divination Calculator
 
八字 Bā Zì (The Four Pillars of Destiny)
奇門遁甲 Qí Mén Dùn Jiǎ (拆補 Chāi Bǔ method)
大六壬 Dà Liù Rén
梅花易數 Méi Huā Yì Shù (The Plum Blossom Divination, Lunar based)