Human Network Maintainer is a lightweight relationship management tool designed for Google Sheets™. It helps users maintain personal and professional connections by organizing contacts and automatically sending reminders when it is time to reconnect. The add-on turns a Google Sheets™ spreadsheet into a simple networking tracker. Users can store contact details, track important dates, and define follow-up intervals so that relationships are never neglected. Human Network Maintainer automatically generates reminder emails listing the people you should reach out to on a given day. Key features include: • One-click setup that creates a structured contact management sheet • Tracking of birthdays, anniversaries, and relationship milestones • Configurable follow-up intervals such as weekly or monthly reminders • Automated daily email notifications highlighting contacts that need attention • Simple menu controls within Google Sheets™ to run reminders or configure automation • Lightweight design with no external integrations or complex setup The add-on is designed for professionals, founders, networkers, recruiters, and anyone who wants a simple way to maintain meaningful relationships without using complex CRM software. To get started, install the add-on, open a spreadsheet in Google Sheets™, and run the setup option from the Human Network Maintainer menu. The add-on will prepare a formatted sheet where you can begin adding contacts and configuring reminder intervals. Once enabled, automated reminders will notify you when it is time to reconnect with someone in your network. Human Network Maintainer focuses on simplicity and privacy by working entirely within Google Sheets™ and your Google account. Google Sheets™ is a trademark of Google LLC.