Evaluation toolkit that mimics the usage of the Twitter social network is available at the UBlog-Benchmark site.
A proof-of-concept implementation of the persistent-state layer, a epidemic persistent store for massive scale systems, is available at DataFlasks,and a simulation for the group construction algorithm of DataFlasks is available at DataFlasks Sim
A proof-of-concept implementation of the soft-state layer, a key-value store targeted at supporting very large volumes of data, is available at DataDroplets.
A Cloud-enabled framework that can be used alone or in conjunction with OpenStack for the automatic and heterogeneous reconfiguration of large scale data stores. MeT.