The hldsfw-2.00.tar.gz file you have requested: Tools and Utilities / Misc / hldsfw v2.00 - 29.18kb 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:
Replies to halflife clients (or mods) that send out LAN game requests, imforming them of multiple hlds servers that are running. Great for LAN parties.