TimeLeft - TimeLeft is a versatile desktop utility - it can be used as a countdown clock, reminder, clock...
Dcode Symbolic Calculator - Dcode Symbolic Calculator is an advanced utility tool that can be really helpful in making symbolic computation without any hurdle to face.
XNote Stopwatch - Try the most feature-rich stopwatch and timer software on the net for free!
Numi App - Numi is a beautiful text calculator for Mac.
Hourglass - Hourglass is the most advanced simple countdown timer for Windows.
Parsify Desktop - Extendable calculator for the 21st century ⚡