Cray Chapel (spec): http://chapel.cs.washington.edu/
IBM X10 (spec): http://www.research.ibm.com/x10
Sun Fortress (spec): http://research.sun.com/projects/plrg/
Papers:
David Callahan, Bradford L. Chamberlain, Hans P. Zima. The Cascade High Productivity Language. In Proceedings of the 9th International Workshop on High-Level Parallel Programming Models and Supportive Environments (HIPS 2004), pages 52-60. IEEE Computer Society, April 2004.
Presentations:
Steve Deitz: Chapel: Compiler Challenges
Brad Chamberlain: An Introduction to Chapel
Papers:
Philippe Charles, Christopher Donawa, Kemal Ebcioglu, Christian Grothoff, Allan Kielstra, Christoph von Praun, Vijay Saraswat and Vivek Sarkar. X10: An Object-Oriented Approach to Non-Uniform Cluster Computing
Presentations:
Vijay Saraswat: Panel discussion at PPoPP 2005
Vijay Saraswat: IBM PL Day talk on X10
Presentations:
Guy Steele and Jan-Willem Maessen: Fortress Programming Language Tutorial. PLDI '06
Guy Steele: Parallel Programming and Parallel Abstractions in Fortress. FLOPS '05.