NVIDIA Inspector Alternatives

Tool to manage video cards. Shows video card stats (temp, GPU usage, etc.).

FPS Monitor tracks your PC's hardware state and displays this information as an overlay in-game.

Guru of 3D: PC Hardware Reviews and tests

A android application to control your gpu core clock and memory clock from your android device.

AgaueEye is a hardware monitor with in-game overlay tools(FPS) for Windows, with AgaueEye, you can...

You can record everything with GOM Cam, including your PC screens, webcam feed, and game screens.

CAM is a piece of software that was designed by NZXT, one of the industry leaders in the world of gaming PC production.

Full-featured screen recording and live streaming software for Mac, Windows and Linux.

Speccy - find the details of your computer's specs. Great for spotting issues or finding compatible upgrades. Download the latest version free.

Linpack Xtreme is a benchmark and the most aggressive stress testing software available today.

Hardinfo is a system information and benchmark tool for Linux.

"An advanced Mac system monitor for your menubar."