MDN’s new design is in Beta! A sneak peek:

List of Former Mozilla-Based Applications

If I'm not mistaken, Allaire HomeSite used to have a way to embed Gecko for webpage previews rather than the default IE control. HomeSite long ago got swallowed up by Macromedia Dreamweaver. – Minh Nguyễn

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 Last updated by: Minh Nguyen,