Acceptance Testing and Agile

I must say that it is a time of deep analysis and relevant acceptance tests. You can say: “He repeats”, “Another set of buzzwords” and “It’s obvious”. Is everything clear ? How to fit acceptance testing in Agile environment, how to test just in time, which tools use and when ? Recently, a colleague from work asked me for a collection of knowledge about the acceptance tests. I have reviewed my bookmarks, and so I created the following list. Not complete but helpful.