These widgets certainly add more value to your Mac OSX Dashboard.

One of the many differences that Mac OSX has compared to other operating systems is its Dashboard. Those widgets on the dashboard make your Mac a lot more fun and useful. And the handiness involved in accessing (just hit F4 key) those widgets makes it even more handy.

Here are some of the widgets that we think are useful and fun to use,

Thesaurus

Thesaurus widget uses words.bighugelabs.com to retrieve the synonyms and antonyms of the words that you type-in on the widget. Clicking on any of the words on the result will do a search again on the word. It is really an useful widget to quickly find some information about a word.

World First Currency Converter

This widget displays the most recent foreign currency exchange rate for world’s leading currencies.

Mac Tips and Tricks

Ever need to quickly check on a Mac tip? This widget can come in handy to reveal some quick tips and tricks on the various Mac topics.

Earth

If you find Google Earth is a bit overwhelming or costly to run on your Mac then this widget can give you some nice live updated satellite imageries of our wonderful earth.

Language Translator

This widget can translate between 41 different languages. The cool thing about this widget is that it can detect the source language. That’s pretty neat.

iStat Nano

A beautiful system monitor widget that tiny in name but bundled with quite a lot of features to give information about CPU usage, memory usage, hard drive space, bandwidth usage, temperatures, fan speeds, battery usage, uptime and the top 5 processes.

Mighty Monitor

This widget monitors your Apple Wireless keyboard and the Wireless Mighty Mouse and displays the remaining battery power on those devices in a nice color-coded meter.

Screenshot Plus

If you keep forgetting the shortcut to capture screenshots on your Mac then this widget can come in handy to let you easily take screenshot right from the comfort of your Dashboard.

The Weather Channel

Pulls weather information from the reliable Weather Channel and displays full-detailed weather information for the selected location. Very handy to quickly check weather information.

Countdown

Just set the date and time of an event that you want to count down, this widget would display a nice counter that shows the countdown to the date and time.

Wikipedia

Who is not addicted to Wikipedia, right? This widget brings the world’s most famous encyclopedia to your Mac Dashboard. You can even view and edit the Wikipedia entries right from your Dashboard.

YouTube

This widget helps you search and watch Featured, Most Discussed, Most Recent, Most Viewed, Top Favorites and Top Rated Videos right from your Dashboard.

Hotmail + Messenger

Check your Hotmail emails and use MSN Messenger right from the same widget.

Tea Timer

One major disadvantage of the information age is that we keep forgetting things we want to get done. Tea Timer is a nice widget to keep yourself reminded of some of the important things that you wanted to do. This widget can remind you with an alarm sound, play a voice message or can use Growl to notify you. Can’t get any better than this!

Advanced Scientific Calculator

Ever need to quickly do some weird math? Advanced Scientific Calculator widget can help you solve algebra, trigonometry, and engineering math problems very easily.

VelaClock Deluxe

A highly customizable widget that displays world clocks along with very detailed time information.

Twit-Update

Not running those self-updating Twitter apps? No problem. Twit-Update helps you send status updates to Twitter directly from your Mac Dashboard.

Woot.com

Lazy to check Woot.com everyday? Keep an eye on what’s special at Woot.com right from your Dashboard with this simple widget.

GV Connect

Use this widget to call or send SMS messages to your contacts using your Google Voice number directly from your Dashboard.

DoBeDo

A simple task management widget to get things done in a simpler way.

Wesabe

Keep an eye on your Wesabe account information from your Mac Dashboard. This widget uses Mac’s KeyChain to protect your sensitive password.

Toodledo

Get all your Toodledo updates right on your Mac Dashboard with this simple widget. This does what it means.

Google Apps

Quickly get to all your favorite Google Apps with this Application Launcher like widget.

Remember The Milk

If you use Remember The Milk as your task manager you can use this widget to get to all your tasks quickly from your Dashboard.

Google Calendar Plus

Access your Google Calendar events from the Dashboard with this simple gadget. It allows you to import as many calendars as you have.

BaseCamp

Conveniently access your BaseCamp projects directly from your Mac Dashboard.

Ta-Da List

If you’ve been using Ta-Da List then you can use this widget to access your list right from your Dashboard.

Delivery Status

Keep track of your package deliveries with this all-in-one package tracker widget.

eBay Watcher

Use this widget to monitor your favorite auction items at eBay. It updates the bidding information automatically without you doing any manual refresh.

Google News

Get all your favorite Google News stories to your Dashboard with this useful widget.

iPhone Apps

Get notified of new Apple iPhone apps from the AppStore with this dashboard widget.

iTinyURL

Use this simple widget to shrink the lengthier URLs into tiny URLs using the TinyURL service.

Color Theory

Find the right color for your website using this simple to use widget that’s always handily available right on your Dashboard.

Vonage Address Book Dialer

Use this widget to call anyone in your telephone address book using your Vonage phone line.

Twitter Trends

Keep an eye on the top trending topics on Twitter with this simple widget.

I hope you find some of these widgets useful and I’m sure there might be some I missed. If you find a widget being useful to you that’s not on the list please share with us.