WSO2 (sometimes stylized as WSO2) is an open source application development software company focused on providing service-oriented architecture (SOA) solutions for professional developers. Coming quickly after an investment in Collax, an open source Linux server provider, Intel Capital has invested $4 million into WSO2, a global corporation with offices located in USA (Mountain View, CA; Bloomington, IN), UK (London) and Sri Lanka (Colombo). WSO2 was founded by Dr.