No credit card required
Below is a simple design document template as described in Section 13.2.
Author(s): (add authors, please link to their email addresses)
Reviewers(s): (add reviewers, please link to their email addresses)
Approvers(s): (add approvers, please link to their email addresses)
Status: (draft, in review, approved, in progress)
(2–4 sentences explaining the project)
(bullet list describing the problem being solved)
(bullet list describing the limits of the project)
(terminology and history one needs to know to understand the design)
(a brief, high-level description of the design; diagrams ...