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.
Agile CRM Alternatives
Agile CRM is described as 'Complete with Sales Enablement, Marketing Automation, Social Suite and Web Engagement' and is a CRM system in the business & commerce category. There are more than 50 alternatives to Agile CRM, not only websites but also apps for a variety of platforms, including SaaS, Android, iPhone and Windows apps. The best Agile CRM alternative is Dolibarr, which is both free and Open Source. Other great sites and apps similar to Agile CRM are HubSpot, Mautic, EspoCRM and Zoho CRM.