This book constitutes the refereed proceedings of the 19th International Conference on Innovations for Community Services, I4CS 2019, held in Wolfsburg, Germany, in June 2019.

The 16 revised full papers presented in this volume were carefully reviewed and selected from 43 submissions. The papers are organized in topical sections on communication systems; teaching and collaboration; smart cities; innovations and digital transformation; data analytics and models; community and quality.