Gadgets

Utilities
6rounds - - A collaborative video chat experience where you can share videos, play games, browse together and more!
Ajax Animator Gadget - In Progress - A fully integrated multi-user web based vector graphic animation authoring environment.
AmazonBot Gadget - The AmazonBot gadget can detect products and return inline product links or a custom full product browser.
AmazonMP3Bot Gadget - Enables social mp3 music research and shopping on Amazon.com.
Approver -  Allows people to give a thumbs up or thumbs down to anything you add it after. Shows the overall score with your vote and allows you to change it later.
Bidder - Simple Auction.
Checky - Basecamp-like checklists with drag-and-drop.
ClackPoint Wave Gadget - Enables you to add audio-conferencing to your waves with a single click. Each wave with the ClackPoint gadget installed has its own private audio-conference, with participation available directly through the browser using our Flash 10 plugin, or via telephone using the provided code. Non-Wave participants can also be included by using the phone and sharing a participant code.
Click me - Shows a button with a counter. Each time the button gets clicked, the counter is incremented by one. Shows off how the state interaction works.
Fighty - In Progress - Fighty is a battlemap gadget for Google Wave, intended for using Wave for gaming.Here’s what it does:* Takes a custom map from maplib.net* Presents that in a wave* Allows users to pan and zoom, synced with that gadget instance.* Allows users to add, and move markers
HTML- Embed any HTML into a wave.
iAdSense - A little gadget allowing people to view or share AdSense earnings data. It even creates a chart with the past earnings. Must sign in to use.
<iframe> -  Embed any web page (as <iframe>) into a wave.
iWave - Allows you to create a profile on wave to make wave just a little more personal. Uses facebook connect to retrieve your details if you sign in.
Licensing - In Progress - Creative Commons RDF Embedding - Planning Stage.
Likey - A simple like/dislike gadget that can be added to a blip for intuitive user rating. It tells you how many people have liked, how many have disliked, and what you selected. You can also change your selection.
Lunchy - Lunchy attempts to streamline the eat-out process for your lunch group by allowing you to vote up or down different eateries, indicate who is in or out, and assist with the decision of the final eating venue.
Map Gadget - Lets users edit a map together, adding markers and polys with titles and descriptions. Users can also search for addresses and businesses and add those.
Mind Map - Allows collaborative editing of a shared MindMap, using the wave's state to store information. Supports Drag & Drop, Import & Export, Icons and voting.
My Tweet on a Wave -  A gadget to collaboratively browse twitter streams.
Napkin - Adds the ability to do quick "back of a napkin" sketches to a wave - collaborative doodling!
Nimbb Gadget - Quickly record a video using a webcam and share it with all participants. Great to share thoughts easily.
Pinwand Gadget - With this gadget you can add a real time pinboard to your wave. Everybody can add messages to the board or give comments. The person who created the board becomes the administrator who can setup the board. For example this person can delete messages, turn off the pinboard so nobody else can add messages anymore and many more.
Plany - Plany is a wave gadget for collaboratively creating a project plan and to keep track of project progress.
Poll - Poll wave participants for their opinion.
Pollo - Pollo is a simple gadget for single and multi vote polls in Google Wave.
QuakeBot - In Progress - Server information on the Quake 3 protocol.
Raffly - Insert this gadget to select a random participant from your wave to be the winner. The winner of what? Well that's up to you :-)
Ratings - Lets participants rate and review a topic (movie, restaurant, etc) in a wave and shows a tally of the result.
Ribbit Conference Gadget - Allows Wave participants to escalate an online collaboration session to a real-time audio communications session, allowing participants to talk with each other while collaborating.
Slashdot Gadget - Loads latest Headlines from Slashdot.
Roster List Gadget - Roster List allows you to quickly search through participants of the current wave.
Rssybot - Rssybot Gadget Installer will add it to your new wave menu. Selecting Rssybot will create a new wave with Rssybot and you. Enter the URL to the RSS feed you want watch and press subscribe. When a new post appears on the feed Rssybot will put it into the wave for you! Clicking on the post will expand the feed.
ShareWave - In Progress - See the documents, tasks etc. of a SharePoint Team Site as a Google Wave. You can mark a task as done in Google Wave or use the Nintex LazyApproval message.
Total number of seconds spent by everyone while reading a wave - Shows the total number of seconds everyone spent reading the wave. The counter goes faster when several people read it at the same time.
Troco - An experimental peer-to-peer currency - Aims to provide a decentralized complementary community currency system, that is, a peer-to-peer currency system. Also you can see it as an IOU or promissory note based system.
Vector Editor - A cross platform collaborative real time vector graphics editor.
Voicy - A voice recording/sharing system. A new way to share thoughts, greetings and something more than emoticons, in google wave.
Wave Linker - Adds a button that automatically links the selected text to the first search result on google. First it will add Wavelinker robot to the wave, and then once you select the text you want to link, just select it, and click on the button on the gadgets bar.
Whiteboard gadget - Draw on a virtual whiteboard.
Who is Coming? - Show a list of all people that have said whether they will come or not.
XBox GamerCard - Displays your XBox gamer card with your tag name.

Games
Backgammon - Wish - Remove all of one’s own checkers from the board before one’s opponent can do the same. [Wikipedia]
Battleship - Wish - Displays different board based on user.
Boxes - In Progress - Connect lines to make boxes and win.
Cards -  Play card games.
Chess - Play chess.
Connect 4/Four-in-a-row - In Progress - 2 users   observers, turn locking, just waiting to write win-detection code.
Dicey! - Supports multiple dice and modifiers. See individual values for each die. Users see your selections and rolls in real time. Based on the samples gallery dice gadget by Dana Cordes (dcordes@gmail.com). Should be perfect for Wave Roleplaying.
Floodit - 2 player race to fill a board with colors.
Magnetic Poetry -  Re-arrange random words to form poetry.
Match them colors! - In Progress - Match 3 / gem matching game.
Othello - Wish - Play Reversi.
RPG Dice -This is a dice program for use with RPGs, that allows full role-playing game dice-roll calculations. This tool recognizes 3 operators:   (addition), - (subtraction) and d (die roll). You can leave out the number of dice when rolling one die (d10 = 1d10 (9)) and you can leave out the type of dice when rolling d6 (5d = 5d6 (16)).
Sudoku - Play Sudoku.
The Button - A useless (I mean USELESS) game.

Hooks
CVS integration - Wish - CVS history can be converted into a wave with playback.
GIT integration - Wish - GIT history can be imported and played back (dffs).
SVN integration - Wish - SVN History can be converted into a wave with playback.
Browser Extensions for Google //ave
Chrome Extensions
(To use Chrome Extension, switch to Developer Build, add --enable extensions to the shortcut's target link, and download the extension)
Appearance
Google Wave Scrollbars - Changes the wave scrollbars to the default system scrollbars.
Utilities
Google Wave Checker -Displays your number of unread Waves. Based on Google Wave Notifier for Firefox.
Firefox Add-ons
Utilities
Google Wave Notifier - If you have a Google Wave account, enter your login and password in the settings and it will log you in and notify you of new wavelets in your inbox.
WiseStamp - Enables you to share your Google Wave contact info in your email signature.
Phone Apps for Google //ave
iPhone - iPod Touch
Utilities
Waver - In Progress - Here is the Google Wave iPhone App. It is still in development, but downloading it will set it up to receive all future updates for the iPhone App.

google wave iphone notifiers