If you host your own server, you can use AMX Mod X. This is a metamod plugin system that runs server-side, not client-side. You can add 3rd-party weather effects, colored chat, and even advanced statistics without scanning your clients’ memory. It is completely safe and open source.
Tools like Half-Life Model Viewer allow you to replace weapon .mdl files manually. You place them in cstrike/models and overwrite the originals. No injection required—just file swapping. Ensure you only use them on non-VAC servers. cs 16 injector
While simple, it packs a few essential features that power users appreciate: If you host your own server, you can use AMX Mod X