Rivatuner Statistics Server (RTSS) AlternativesSystem Information Utilities & Screenshot Capture Tools like Rivatuner Statistics Server (RTSS)

The Open Hardware Monitor is a free open source software that monitors temperature sensors, fan speeds, voltages, load and clock speeds of a computer.

Comprehensive tool offering GPU overclocking, video and screen capture, and overlays, with support for Nvidia and ATI cards. Features Kombustor stress test, portable use, ad-free experience, manual exclusion of false positives in displays, and multiple video compression options.

Benchmarking Tool - Record Frames per Second (FPS), Frametime and Sensors while running your favourite game. Analyse and plot the results, or share them with friends using our cloud service.

GWE is a GTK system utility designed to provide information, control the fans and overclock your NVIDIA video card and graphics processor.

This tool is used for modifying game profiles inside the internal driver database of the nvidia driver. All game profiles are provided by the nvidia driver, but you can add your own profiles for games missing in the driver database.

EVGA Precision X1 allows you to fine tune your EVGA graphics card for the maximum performance possible, with Core/Shader/Memory clock tuning, real time monitoring support including in-game and compatibility with almost all EVGA graphics cards.

ASUS GPU Tweak III is currently open beta testing so try it out, if you feel it is missing something crucial give ASUS your feedback & they may be able to add it while still in beta. So far ASUS has been very accommodating with all useful feedback..

AgaueEye is a hardware monitor with in-game overlay tools(FPS) for Windows, with AgaueEye, you can monitor your hardware, like CPU/GPU/MB/HDD/RAM states, and display overlay when you playing games, AgaueEye also record the states for post analysis.

GOverlay is an opensource project that aims to create a Graphical UI to help manage Linux overlays.

EXPERTool™ tuning utility for customized performance enhancements and efficient desktop management.

NVTray provides some extra quality tweaks that both the default NVIDIA tray icon and control panel are lacking. I especially wanted to be able to select more Antialiasing modes, as well as OpenGL and Direct3D options right from the tray icon.

Open Capture and Analytics Tool. If you want to know how well a game is performing on your machine in real-time with low overhead. It supports all major APIs on Windows – Direct3D® 11, 12 and Vulkan® – and can show an in-game overlay.