version 1.5.1545
RoundPie for Mac OS X 10.9 and later (free, see details): Version 1.5.58
RoundPie Tray Timer (free, for Apple Reminders®, Calendars and Apple Shortcuts)
RoundPie for Windows 10/8/7 (free, see details)
RoundPie for Ubuntu or Debian 64-bit
RoundPie RPM 64-bit
RoundPie as zip package 64-bit
RoundPie for Web (free)