Oura Ring 5

Professional online eGFR (glomerular filtration rate) calculation tool

A professional hardware performance testing tool that quickly identifies your PC's performance bottlenecks and delivers optimal optimization solutions.

Professional sensitivity calculator, game DPI conversion tool

A must-have for anyone who sits for long periods and constantly looks down at screens, to help protect your cervical spine health.

A social self-discipline app for two-person early clock-ins to win cash prizes.