concordia
Powerful search library, best suited for computer-aided translation
... lookup at the pace of 5000 queries per second (on personal PC) - a speed which can not be achieved by any other search library.
Moreover, Concordia can perform its own "concordia search". For a given input sentece, all substring matches covering this sentence are retrieved.
This project now contains fully functional Concordia search library. In the near future, it will be extended by concordia-server: ligthweight, robust web server providing corpora search functionalities