kdb+

Kdb+ is a high performance database
Scalable column-oriented database for massive data volumes
Manages real-time and historical database in one database
Fast analysis without loss of speed between different components

Q programming language included

Q is a powerful programming language
Single language for querying and programming
Time-series functions built-in
Administration and tuning functions

64 bit platform (Linux, Solaris, Windows, Mac OS X)