Recurrr - Send recurring emails
Sprint Poker by Parabol - Remotely bring planning poker to life
Right Inbox - Schedule Emails in Gmail To Be Sent Later
Chpokify - Planning Poker Tool that saves time of sprint estimation. Agile teams management tools. Jira Integration (Import/Export), auto-summary, smart voting management.
SendRecurring - SendRecurring allows you to setup, send, and maintain scheduled email reminders.
Planning Poker for teams - Estimation for agile teams