We in ledgerium name oracle or third-party services as micro services (which is what they really are). The concept is similar to many other projects where the word "oracle" is used. Using these micro services real-world products and tech stack can access the blockchain layer and perform operations. The services are all written and hosted as dockerised containers.
Some of the current services either in development or production are listed in the sub-section. We do plan to add many more of these and connect them via a service bus/fabric. The current architecture on a high-level we utilise in production is given below.