https://web.archive.org/web/20241114063424/https://www.zotero.org/groups/4676190/tools_for_thought/items/S2SC37HT/item-list

A great collection of sources on tools for thought, by the looks of it by [[Chris Aldrich]] Books, texts and more.

Not just a category these days, also a 1985 book title by Howard. (html version of that book http://www.rheingold.com/texts/tft/ )

Web archive url https://web.archive.org/web/20220815051435/https://theinformed.life/2022/08/14/episode-94-howard-rheingold/