Ranked in these QuestionsQuestion Ranking
Pro Realtime preview
You can see the screen preview at real time. No need to click [Preview] button.
Pro Supports top front-end frameworks
Bootstrap, Foundation, Materialize, etc. Also many other frameworks, languages, etc.
Pro Multi platform desktop software
Windows, Mac & Linux. 32 / 64 bit.
Pro Reasonably priced
Not free as the main con says, but the cost is fair; and it's okay to encourage a company that produces a quality tool at a very reasonable price.
Con Free update is available only 1 year
Update version will be available only 1 year once you buy the license.