- the how to run short & effective meetings comic is by Sam Lau, and used with the author's permission
- the let's hop on a quick call comic is by Ash Lamb, and used with the author's permission
- 2020-Scrum-Guide-US.pdf is by Ken Schwaber & Jeff Sutherland, downloaded from scrumguides.org and licensed under CC BY-SA 4.0
- Kanban-Guide-2020-12.pdf is by Daniel Vacanti & John Coleman, downloaded from kanbanguides.org and licensed under CC BY-SA 4.0
- quickstart-guide-to-user-story-mapping.pdf is by Eben Halford, downloaded via web archive and licensed under CC BY-SA 2.5
- the Richard's guide to software development comic is by Oliver Knörzer & Puri Andini (Powree), downloaded from sandraandwoo.com and licensed under CC BY-NC-ND 3.0
- reveal.js 5.1.0
- reveal.js verticator plugin 1.2.6
- ieee.csl and apa.csl files are from https://github.com/citation-style-language/styles repository and licensed under CC BY-SA 3.0
- quizdown 0.6.0