These tools are widely considered "cheating" in the CS 1.6 community. They ruin the core appeal of the game, which is high-skill, movement-based competition.
In Counter-Strike 1.6, "strafe hacking" or advanced movement manipulation typically refers to scripts or external tools that automate complex movements like or Ground Strafing (GS) to gain speed and mobility. Popular Strafe Movement Techniques cs 16 strafe hack top
If you want to be at the "top," don't inject a DLL. Load up KZ Longjumps, turn on your speedometer, and grind. The satisfaction of breaking 300 u/s legitimately will beat any hack menu you will ever find. These tools are widely considered "cheating" in the CS 1
While "hacks" often refer to illicit software, many players use legitimate or key bindings to perform these movements: which is high-skill