Keep My Friends allows you to track when you last spoke to each of your friends, and set an interval of the maximum number of days you want to allow between times that you speak to them.
Close Alternatives
Close is described as 'Integrates calling, SMS, and email, with features like automation and predictive dialing for efficient sales processes. Plans starting at $65/user' and is a CRM system in the business & commerce category. There are more than 100 alternatives to Close for a variety of platforms, including Web-based, SaaS, Windows, iPhone and Android apps. The best Close alternative is Odoo, which is both free and Open Source. Other great apps like Close are Dolibarr, HubSpot, Attio and Mautic.