The mapvote21.exe file you have requested: Tools and Utilities / Server / TFC Mapvote v2.1 - 398kb is not available. Perhaps try browsing all files for the game Half-Life and upload any files you want to share or are missing. This is the only information we could locate:
A very clever TFC map-voting system for server operators. Allows the players to choose which maps to play by voting for their favorites.