Tools

Beautiful Soup
A free HTML parser for Python, optimized for screen-scraping. Download, documentation, and change-log.
http://www.crummy.com/software/BeautifulSoup/

Checkproject
Offers a program for webmasters check projects for missing or redundant objects and find not allowed characters in filenames.
http://www.seibt.i-networx.de/

Font Control Code - Face and Size Customizer
Copy and paste code for preview of sixteen fonts faces and four font sizes.
http://www.angelfire.com/linux/bodiles69/FontControlCode.html

HTML Code Converter
Transforms the text you type into the standard HTML code every browser can recognize without altering the character encoding. Useful to hide e-mail addresses from e-mail grabbers.
http://www.fh54.de/vb/htmlCodeConverter/

HTML Color Chart & Codes
Tests different colour combinations on a webpage.
http://spiderweblogic.com/HTML-color-chart.aspx

HTML Color Codes
Quickly find html color codes for any color with these dynamic color chart and color picker.
http://html-color-codes.info/

HTML iT
Text-to-HTML conversion software. Drag and drop the text to convert. Freeware.
http://www.image-ination.com/htmlit.html

HTML Tag Generator
Transforms text into HTML.
http://spiderweblogic.com/Html-Tag-Generator.aspx

HTML Test Bed
Simple tester with basic codes filled in. Includes email save feature.
http://jmarshall.com/easy/html/testbed.html

PageSpy
Utility shows the DOM based source as well as the original HTML source. Navigates to HTML element where web page was clicked. Form, query and cookie analyzer.
http://www.sembel.net/

SiteReportCard
Checks for meta tags, broken links, misspelled words, load time, keywords, and link popularity. HTML validation and search engine inclusion also available.
http://sitereportcard.com/

Webagogo
Offering a free online tool to test the quality of a website.
http://www.webagogo.be/

Word to clean HTML
Converts Word documents to clean HTML.
http://word2cleanhtml.com/

Word to HTML
Offers conversion tool for Word and RTF documents. Convert any number of files. Free trial.
http://word-to-html.com/