Atlassian Corporation is an Australian-American proprietary software company that specialises in collaboration tools designed primarily for software development and project management. Domiciled in the United States as Atlassian Corporation Plc., the company is globally headquartered in Sydney, Australia, with a US headquarters in San Francisco, and over 12,000 employees across 14 countries. Atlassian currently serves over 300,000 customers in over 200 countries across the globe. Wikipedia