Complex sentence: Mandriva, S.A. is the creator and maintainer of Mandriva Linux, describing itself as a "project initiator and a skills organizer in the Open Source arena", and a founding member of the Desktop Linux Consortium.
Split into simpler sentences: Mandriva, S.A. is the creator and maintainer of Mandriva Linux. Describing itself as a "project initiator and a skills organizer in the Open Source arena", and a founding member of the Desktop Linux Consortium.