The tools represented in the Library increase the range and efficiency of use of the package on the Windows platform owing to the innovations in three basic directions: (1) elimination of a series of basic defects and shortcomings, (2) expansion of capabilities of a series of standard tools, and (3) replenishment of the package by new means which increase capabilities of its program environment, including the means which improve the level of compatibility of releases 6, 7, 8 and 9. The basic attention is devoted to additional tools created in the process of practical use and testing the package of releases 4-8 which by some parameters extend essentially the opportunities of the package and facilitate the work with it. The considerable attention is also devoted to the tools providing package compatibility of releases 6, 7, 8 and 9.