What a lot of teams in my company do is have a less formal part (more like brainstorming) done with Quip (https://quip.com/ https://quip.com/) before having the

What a lot of teams in my company do is have a less formal part (more like brainstorming) done with Quip (https://quip.com/ https://quip.com/) before having the more formal part in Amazon WorkDocs (https://aws.amazon.com/workdocs/ https://aws.amazon.com/workdocs/... Disclaimer, I work for Amazon). Workdocs is a pretty good tool for versioning, commenting on and sharing Word documents, but it's not great for multiple people working on a document at the same time. Quip is great for multiple people working on a document at the same time, but doesn't really have any versioning mechanism. For personal stuff, I use emacs org mode in a git repo. Org mode lets you define a hierarchical structure to the topic, hide the hierarchy that's not relevant to the part that you're focused on now, track what things you've done, and when relevant provide supporting information in spreadsheets embedded right there. Worth checking out.