Mir Random 
A replacement for std.random from stats professionals.
1. Mir random has  all nonuniform random number generators
2. Mt19937 performance was improved by 50%-185% 
3. Fixed Mt19937_64
4. Better API architecture
5. Permuted Congruential Generator [4, WIP]
6. Uniform floating point generation has better possible quality.
It is implemented only in Mir Random and available only for D
Ilya Yaroshenko (9il), Mir Team
IT consulting and development