EssentialPIM - EssentialPIM is a free Personal Information Manager that keeps up with the times and lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices and cloud applications.

Nudgify - Nudgify is a Social Proof App that includes FOMO, Urgency and Review Nudges. Adding Social Proof notifications to your site helps you build trust and increase conversions on Shopify, Wordpress or any other platform.

Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.

NotificationX - Best social proof and FOMO marketing solution for WordPress to increase conversion rates.

Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.

Fomo - Fomo turns your site into the online equivalent of a busy store