WSO2, a company that provides API management and identity and access management (IAM) services for enterprises, has been acquired by Swedish investment giant EQT. Terms of the deal were not disclosed, but TechCrunch has learned via sources that the deal values WSO2 at "more than" $600 million, with EQT attaining a "significant majority" stake for the price. WSO2's products include an open source API manager, comparable to something like Google's Apigee, which businesses use for building and integrating all their digital services, either in the cloud or on-premises.