Fill in the blank: The BEST software I ever used was…

We asked about your worst software experiences…
https://www.techrepublic.com.com/5208-11183-0.html?forumID=9&threadID=196478&start=0

…now let’s talk about the best.

Name your ALL-TIME FAVORITE SOFTWARE in the title of your reply, then use the body of your post to expound upon the absolute wonder and effectiveness of the application in question.