Apps similar to Second Clock include Hourglass, which is free and open source. Other options are MultiTimeInMenuBar, Floating Timer, WatchMe and Countdown Timer Pro. Countdown Timers like Second Clock are a crowded field, with more than 50 alternatives for Mac, Windows, iPhone, iPad and Linux.
Soluna lives in your menu bar and opens a compact popover that pairs the Gregorian and Hijri (Umm al-Qura) calendars in one grid, so the two date systems are always visible at a glance. Below the grid it shows the five daily prayer times for your location, a row of world clocks...
TimeKeeper is a simple time tracking application. Keep track of your day to day activities when working on your Mac.
