Trello Calendar Connector by Cronofy - See and Organize your Trello deadlines inside your calendar
Digit - SMS bot that monitors your bank account & saves you money
Dead Man's Snitch - Monitor Cron Jobs and Windows Scheduled Tasks with ease.
Olivia - Your new best friend built with an artificial neural network
Cronitor - Monitor cron jobs, micro-services, daemons and almost anything else, no setup required. Easier cron troubleshooting and no more silent failures.
Spendee - See where your money goes