While you're definitely correct, I enjoyed working with Komodo IDE which was (is?) built around XUL even up to a few years ago. A neat API for extending and hac

While you're definitely correct, I enjoyed working with Komodo IDE which was (is?) built around XUL even up to a few years ago. A neat API for extending and hacking around on it, with quite nice discoverability. I'm sad to see it go, but it makes perfect sense as to why!