The following popups are available;

The HTML Popup is a tall skinny on-screen quick reference showing all HTML tags and attributes in use or universal. It includes color-coded indications of support by Netscape®, Microsoft® Internet Explorer and W3C®, plus style sheet alternatives, and bug and clash icons with details online.

The Colour Popup show all 216 web-safe colors in a wheel, the same arrangement as the VisiBone2 swatch libraries shipped in Adobe® Photoshop® and Illustrator®, BBEdit® and The Gimp. A decimal version is also available.

You can download these popups for offline use here.