Did you find any tools that you think everyone should know about?  What other applications would be fun/interesting to explore?

Other suggestions/comments/observations to improve the program? 

Here are my suggestions - KrisA

Animoto  produces videos using images & music that a user selects

AllofMe & Dipity creates timelines

Awesome Highlighter lets you highlight text & add notes on a web page and provides a link to the page to share

Cli.gs shortens URLs and tracks the clicks they get

Clipmarks allows users to save/store articles or the clips 

Dia diagram creation tool (fairly sophisticated - maybe more useful to computer techie types)

GIMP & Fauxto photo editing/manipulation tools

Google Custom Search Engine, Librarians E-Library, Rollyo or Winkinside

Instapaper provides a bookmarklet for saving sites for later reading

Jing easy way to record a short screencast demonstrating how to do something

LaterThis save and view sites for later reading

Mindomo & Wisemapping online mind mapping software

Odiogo transforms news sites and blog posts into audio files ready to download and play 

Plaxo lets users to set up organizational calendars and task lists for free

ReaditLater  a staging area for bookmarks

Remember the Milk free online calendar/scheduling

Resizer online image resizer

Sandy a free, on-line organizer, if your life is too big for Groupwise or Outlook

Scrapblog free web-based service for creating and sharing digital scrapbooks

Scriblink a free digital whiteboard that users can share online in real-time

280Slides online PowerPoint like presentation tool

Yahoo Pipes provides user interface for building applications that aggregate web feeds & pages 

From Kris A.:

* Typealyzer http://www.typealyzer.com/ - provides a Myers-Briggs type analysis of your blog and shows you the area of the brain that your writing style reflects most.

* Genderanalyzer http://genderanalyzer.com/ - determines what sex you write like.

* Readability Test http://www.criticsrant.com/bb/reading_level.aspx - Determine what grade level your blog is written at.

* What is your blog worth  http://www.business-opportunities.biz/projects/how-much-is-your-blog-worth/ - Determines your blog worth based upon Technorati ranking and advertising potential.