Cronhub - Cronhub helps you to easily monitor all your cron jobs in a beautiful dashboard. It alerts you when your cron job doesn't run on time or it fails.
World Time Buddy - Effortless time conversion and world time.
Time.is - exact time in any location
Cronitor - Monitor cron jobs, micro-services, daemons and almost anything else, no setup required. Easier cron troubleshooting and no more silent failures.
timeanddate.com - Free Clock for your website or blog!
Clerk SMS for Slack - Send and receive SMS directly in Slack with your team members.