IP Domain Check
*This tool will find other domain names hosted on your IP address.

Free Font Manifesto

IP & DNS Tools

AmberJack
*Amberjack is a lightweight Open Source library, enabling webmasters to create cool site tours.

*swiped the above goodies from Peter Cooper’s Bookmarks

bbPress – WordPress forum

WordPress Comments.php Template

WP Plugin – Own The Feed (Dashboard)

ThemesPress
*Convert your HTML and CSS based design into a WordPress blog theme

Webshots Pro
*Website Thumbnail Service

WebSnapr
*Capture screenshots of (almost) any web page

Online File Browser

Indexer
*This is a small php-script which provides a nice looking index of the content in the directory where it is located (including the directories below). **Upload one file and you’re good to go .

Spy on Your Competition with SpyFu
*Did you ever wonder who pays more for ads online MySpace or Classmates.com? Turns out, it is Classmates by a landslide, but what about your competitors?

PayPal Button Creator
*Will increment the price by a fixed amount each minute from a starting price and either stopping at a fixed price or continuing indefinitely

Big List of CSS Tools

Popurls
*Tracking the most popular of the most popular

Alertra Spotcheck

SiteUptime Check
*Good for determining if the problem is your ISP or if it’s the webhost

Traffic Estimate
*Use the Traffic Estimate tool to find out approximately how much traffic a website gets.

Compete.com
*Provides free information for every site on the Internet including site traffic history and competitive analytics–Note this: alerting searchers to site profiles, promotional codes and trust scores for each search result displayed. Something to keep your eyes on .

Buttonator
*Drag & Drop Web Buttons

Daily Color Scheme

Shorty
*Simple tool for creating shorter, human-readable links from long URLs. You install Shorty on your server, so the links you create with it never go away. Counts clicks as well. Perfect for aff links .

Crossword Puzzle Maker

Word Search Puzzle Maker

Big List of Online Generators

Users Manual Guide
*User Manual and User Guide for many equipments like mobile phones, photo cameras, monther board, monitors, software, tv, dvd, and othes..

Added to the affiliate marketing blogs bookmark page:

Affiliate Lesson

ETA: Also added a Competitive Analysis Tools section on the Bookmark Page