What is Trello?
Trello is a third party application used to manage your projects and organize anything visually.
How to gain access?
Create an account via https://trello.com/ and create a board.
Trello is a third party application that we do not have any control over regarding sign up etc. Please check your spam for the email activation from Trello. If you continue to have an issue with getting your Trello account set up then you will need to reach out to Trello support.