Blog creation is like building a mansion. You need insightful web tools to work with for effective blogging experience.
The tools outlined here, apart from the fact that they are free, they also help to facilitate and enhance desired blogging result.
There are so many web tools out there, but these are just a few I can lay my hands now.
Gravatar Place your picture beside your comment on blogs
MyLiveSignature Creates graphical signature.
Feedburner Creates RSS feeds
Twitterfeed Automatically delivers post from blog to social networks
Dlvr.it Works like twitterfeed, but more effective.
Icebrrg A feedback survey form.
Google Docs Creates survey form.
Quirk.biz Gives deeper status of blog ranking
SeoQuake Site page ranking
Webresizer Re-size images
Gimp Rotates, re-size and crop images
SXC free Images Free images
BrowserShots Site preview.
SocialTwist Tell a friend form.
DigitalPoint Useful forum.
Webmasterworld Useful forum.
OpenOffice Suitable for word processing, presentation, database
CutePDF Creates PDF files for your eBooks.
Google Reader Content aggregator
VirtueCovergenerator Compatible with Photoshop for eCovers.
Blogger Jobs Blog jobs advertising
123Banners Creates banner flash and sound banners
Htmlbasix Banner rotator
HtmlDog Html guide
WordPressThemeGenerator Creates custom WordPress theme.
Google Internal Custom Search Searches your blog and also compatible with AdSense.
Google Adwords Tool Keywords search tool
Google Analytic Google AdSense comprehensive stat.