Excalibur Mining Corporation engaged in the exploration and development of mineral properties primarily in Northern Territory, Australia. It principally explored gold and uranium properties. The company’s flagship property was the Tennant Creek Project, which included Juno, MlO, Nobles Nob, Noble Nob West, and Rising Sun gold deposits located in central Northern Territory. The company was formerly known as Strata Mining Corporation. In 2016 Excalibur completed the acquisition of Singaporean software firm Dropsuite (product Dropmysite) in a reverse takeover deal.