Extreme Injector 3.7 can be downloaded from our website for free. The actual developer of the free software is ExtremeInjector.
From the developer:
A powerful and advanced injector in a simple GUI.
Can scramble DLLs on injection making them harder to detect and even make detected hacks work again!
You may want to check out more software, such as Combat Arms - Extreme Injector, Injected Anti-cheat or Extreme URL Generator, which might be related to Extreme Injector.