RivaTuner Alternatives for Linux
RivaTuner is not available for Linux but there are a few alternatives that runs on Linux with similar functionality. The best Linux alternative is GOverlay, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to RivaTuner and three of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to RivaTuner are GreenWithEnvy and GMABooster.
RivaTuner alternatives are mainly System Information Utilities but may also be Fan Speed Tools or Screenshot Capture Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of RivaTuner.GOverlay is an opensource project that aims to create a Graphical UI to help manage Linux overlays.
GWE is a GTK system utility designed to provide information, control the fans and overclock your NVIDIA video card and graphics processor.
GreenWithEnvy vs RivaTuner opinions
It does NOT overlay fps counters while gaming
Program capable to modify on-the-fly the Intels Graphic Media Accelerator (currently 945GM/GME/GMS/GSE and 943/940GML/GU Express featuring GMA 950) clock. Available frequencies are 200, 250, 400Mhz.