GPUnet is a native GPU networking layer that provides a socket abstraction over Infiniband to GPU programs for NVIDIA GPUs.
Anon-Pass is a practical cryptographic anonymous subscription scheme. Combined with a proof-of-concept integration, it can scale to thousands of concurrent users. See http://zweb.cs.utexas.edu/users/osa/anon-pass/ for more details.
Tools for analyzing the Linux 2.6 source code using CIL (C Intermediate Language)