More information about WebStorm can be found here. There is a free 30-day trial.
Komodo supports all the functions of Node.js and other popular web-based frameworks. This powerful editor includes debugging, unit testing, collaboration, or integration with build systems. The editor’s features include track changes, multiple selections, quick bookmarks, code folding, code blocks, and even smart language detection.
More information about Komodo Edit is available here. Komodo IDE offers a free 21-day trial for developers.