This volume contains the proceedings of FOCLASA 2010, the 9th International
Workshop on the Foundations of Coordination Languages and Software
Architectures. FOCLASA 2010 was held in Paris, France on July 30th, 2010 as a
satellite event of the 21st International Conference on Concurrency Theory,
CONCUR 2010. The papers presented in this proceedings tackle different issues
that are currently central to our community, namely software adaptation, sensor
networks, distributed control, non-functional aspects of coordination such as
resources, timing and stochastics.