We use MediaWiki, it works for us just fine
671 karma · joined May 30, 2008
Also, the line "Tags used to be all over the place", trips me up when I scan/read it.
A separate doc for each idea and a master doc with each idea being a quick one line summary. It sounds like a lot of work about it allows you to quickly scan your ideas, looking for patterns or possible solutions to problems. And it really doesn't take that much maintenance