WSO2 provides open source integration platforms and middleware technologies. It has over 160 employees and supports over 100 production customers. The WSO2 approach involves modular components, products that work together on a shared platform, and an industrialized approach to application development. Key offerings include the Carbon middleware platform, Stratos PaaS, API management, integration, and governance solutions. WSO2 works with customers in various engagement models including training, quickstarts, development support, and consulting.