Websites to Periodic reminders

Followup.cc is a powerful email productivity suite designed to ensure no important conversation or task falls through the cracks. It offers robust email scheduling and reminder tools, helping professionals manage their outreach and follow-up processes efficiently directly from their inbox.

Nozbe is a robust task and project management application designed to help individuals and teams implement the Getting Things Done (GTD) methodology for enhanced productivity and collaboration. It offers a flexible environment for managing tasks, projects, and time effectively.

TickTick is a powerful cross-platform to-do list and task management application designed to help individuals and teams organize tasks, manage time, and track habits effectively. With robust syncing capabilities and integrations, it streamlines productivity across various devices.

Inbox by Gmail was a reimagining of email as an organized place to get things done. It used bundling to group similar messages and offered features like reminders and snoozing to manage workflow effectively. Designed by the Gmail team, it aimed to reduce email overwhelm and prioritize what matters.