Collaborative learning applications have a bunch features that are ordinary, for example: communication, group management, control of the group workflow, among others. All of these features has some complexity once is necessary to sincronize data among the users, provide hight speed and availability and, scale to a large number of students. To provide these features and simplify the development of collaborative learning applications, Orion Services provides a set of scalable and open source microservices written in Java/Quarkus and clients in Dart.