Zoho Creator - Zoho Creator is a low-code application development platform that helps you build a custom, mobile-ready apps to run your business.
World Time Buddy - Effortless time conversion and world time.
Bizness Apps - Create your own app or become a reseller and build apps for others
Time.is - exact time in any location
BuildFire - BuildFire is the easiest way for small businesses to build a mobile app in a matter of minutes for iOS and Android.
timeanddate.com - Free Clock for your website or blog!