Tool recommendations are a fairly popular category of question (found in tool-recommendation, and a lot of them are simply tagged tools). Being recommendations, these questions and answers need to go a bit further than most questions to be of good quality for the site, and are more prone to run into problems.
Most of the time, things work themselves out well, but we still have problematic patches and answers that say little more than "here, try this: {link}". We have no policy or guidance tailored specifically to tool recommendations to point these people to, and it's probably about time we did have that.
What are our requirements for tool recommendation questions and answers? What guidance can we give to authors to have their questions and answers work well within our system? If parts of our policy for game recommendations applies, what applies?
(Please elaborate or summarise the requirements: the intention here is that we can link people to this question and they'll understand the basics of what we need from them.)