TechoCrunch

 An extensive list of gmail tools, scripts and addons compiled to really jazz up your favorite email app “Gmail”.

• Official Gmail Notifier from Google - Downloadable Windows/Mac application that alerts you when you have new Gmail messages.
• GMNotifier – More configurable notifier based on .NET (Via here)
• GTray – Another configurable Windows notifier includes XP welcome screen integration
• Google Toolbar with Gmail search – Official IE toolbar featuring one-click Gmail search
• Gmail Search Extension – Search your Gmail account from the Firefox search bar
• Gmail Tray – A search box for the Windows taskbar
• Gmail Notifier – Firefox extension, installs an icon on your toolbar that displays the amount of new messages in your inbox (previous post)
• Gmail-to – Associate all mailto: links with Gmail as opposed to Outlook
• Gmail-to Bookmarklet – Compose messages from your Gmail account from any page (previous post)
• Gmailit – Bookmarklet to send the current page you’re viewing to someone through Gmail
• GMail Loader (GML) – Cross platform application forwards your existing email to Gmail
• Gmail Address Book Exporter – Requires Java (via here)
• Pop Goes the GMail – Gmail > POP3 converter (obsolete)
• gExodus – Graphical user interface tool allows you to import your emails into your Gmail account.
• gCount – a menu bar item for Mac OS X 10.3 or later that displays the number of unread messages in the inbox (Via Google Blogoscoped)
• GMail, RSS Feeds – .php script to retrieve notifications of new mail through RSS
• Adding Gmail Inbox to your News Reader – Receive new emails in your RSS reader with the Atom feed (Caution: this is not very secure)
• Gmail as online backup system – .php script to back up files to Gmail and retrieve them
• GFile – Easily installed front end script for ‘Gmail as online backup system’ (Recommended by Evan White)
• Gmail in Opera – Use Gmail with the Opera browser, which currently is unsupported (Opera is now supported with the basic HTML view option)
• PINE Addressbook to Gmail – Export addressbook in CSV format from PINE to Gmail. Via here
• GmailFS – Gmail Filesystem – GmailFS provides a mountable Linux filesystem which uses your Gmail account as its storage medium. (Via Scripting.com)
• GMail Drive Shell Extension – Enables you to save and retrieve files stored on your GMail account directly from inside Windows Explorer.
• G2G Share – Service that indexes the files in your Gmail account and makes them available for public sharing
• GSuite – Lets you access and use Gmail from a mini-browser in the system tray
• GmailStatus – Shows the number of unread messages in the Mac OSX menubar
• gmail copy – Command line utility to copy files to and from gmail (Via del.icio.us)
• GMailer (libgmailer) – A PHP library/class that helps you accessing/checking/using GMail through PHP scripts. (A blog that uses this to convert Gmail messages into the blog posts)
• Goollery – Uses libgmailer to make a photo gallery from a Gmail account: example (Via AimlessWords.com)
• Gmail icon generator – Create an image of your Gmail address to minimize spam exposure (Via here)
• [PHP] Gmail Invite Sig – Displays your currently remaining Gmail invites in a PNG image (Via ResearchBuzz.org)
• Gmail Image Viewer (beta) – IE addon that displays image attachments inline
• Gmail Agent API – Open Source extensible foundation for interfacing with Gmail. Written for .NET framework
• GMail API for Java – Allows Java programmer to communicate to GMail (Via comments)
• Google Talk – Slimline Instant Messenger from Google uses your Gmail contacts for the friends list. Also acts as a Gmail notifier
• You’ve Got Gmail – Gmail Notifier for Trillian Messenger Pro (Via Metafilter.com)
• Gmail IM Logger for Trillian Pro – Log Trillian IM Conversations to Gmail
• Gmail Mobile by Google – Check your Gmail messages for free on any phone with a web-browser by pointing it at http://m.gmail.com
• Gmail on Sony PSP – Official PSP browser capable of displaying Gmail Mobile
• Gmail-Mobile (unofficial) – Use Gmail from a WAP enabled device with .php (Via here)
• Gmail Gems – Tips and Tricks to use Gmail more efficiently
• Picasa integration – use Picasa to easily attach and send photos from your Gmail account
• Larry’s Gmail Indexer – Plugin to index your GMail messages in Google Desktop Search (this functionality is included by default in Google Desktop 2)
• Use Gmail in the Google Deskbar mini-browser
• Gmail as a journal – use Gmail as a repository of personal information categorized by Gmail labels
• Gmail Delete Button – Add a one-click delete button to the Gmail interface (Firefox only, requires Greasemonkey)
• Save searches in Gmail – Again, Firefox only, requires Greasemonkey
• Skin Gmail – Use a custom stylesheet in Firefox to skin Gmail (Via Furl)
• Disable Gmail Ads (Firefox) – Use custom css to remove Gmail ads in Firefox (Via A Welsh View)
• Using Gmail as a Spam Filter – (Via iBLOGthere4iM)
• Unread Gmail – Create a label called “Unread”, Gmail will automatically add all unread items to it (Via Gmail Wiki)

Greasemonkey Scripts

• Gmail Super Clean – clean and distraction-free gmail. Looks great, check it out here
• Gmail Spam-count Hide – hides spam count link
• GMail Attachment Icons – adds attachment icons to emails, letting you see what kind of attachment an email has (HTML, JPG, PDF….) ‘Attachment icons’ isn’t a standard greasemonkey script, it’s an addon for a similar Firefox extension known as Stylish. However, installing it on greasemonkey should be fine as well]
• Google Reader Integration – integrates Google Reader into Gmail. Highly Recommended (demo)
• GmailTo – forces all ‘mailto’ links to open in GMail
• Saved Searches – lets you create ’saved searches’(aka smart folders) and display them in the separate box in the navigation menu. Clicking on a search executes the saved query. Demo
• Conversation Preview – handy addon that lets you quickly preview message contents right from the main inbox window. See demo below
• Google Calendar Integration – integrates Google Calendar agenda into Gmail. Demo
• Label Colors – lets you color menu labels to make them stand out better. Demo
• Gmail Macros – adds extra keyboard shortcuts to Gmail (i.e. “t” for move to trash, “r” for mark as read, “p” for mark as read and add to archive…etc). Read more
• SSLGoogle – force google mail, docs and cal pages and their intra-links to a secure connection (HTTPS)
• Gmail Encrypt – encrypts outgoing emails
• Gmail Date Search – adds a Search by Date button to Gmail’s search form
• Gmail Signature Float – moves your mail signature to the top of the message rather than the bottom

Firefox Addons

• Gspace – multi-platform firefox addon that turns your gmail account into powerful online storage tool
• Gmail Search Extension – search your gmail account directly from the firefox search bar
• GcalQuickTab – toggle between gmail and google calendar with keyboard shortcuts
• GTDInbox – turns your account into flexible and feature-loaded ToDo-management service (GTD = Getting Things Done)
• GMail Manager – manage multiple GMail accounts right from your browser
• DragDropUpload – this handy extension lets you quickly attach one or more files to your emails by dragging them over the “Attach a file” link
• CustomizeGoogle – removes ads, switches you from http to https, hides the spam counter, quick contacts box, invite box and forces fixed font
• Better Gmail – integrates bunch of cool features, i.e. attachment icons, attachment Reminder, mail preview, filter assistant, label colors, macros, and saved searches
• GmailSkinz – powerful firefox addon with lots of cool features: (Note: some users reported having problems with this addon), change the colour of your inbox(from green to dark green), view weather, google calendar and news headlines along side your emails, integrate any Google IG module to sidebar menu(Awesome), insert images from your Picasa web album in to emails, insert smileys, change the attachment paperclip to an icon indicating the type of attachment, make the navigation (Inbox, Starred, Sent Mail, etc) horizontal, hide various page elements (invite panel, page footer and your email address from the top right of inbox). Complete integration with Gmail: addon settings can be changed directly from the Gmail settings page.

• Google Toolbar with Gmail search – Official Google toolbar featuring one-click Gmail search
• E-Mail Notifier Toolbar | Gmail Notifier – as titles say says it notifiys you of new emails.

Desktop Applications

• GmailDrive (Windows) – adds a new virtual drive(’Gmail Drive’) to ‘My Computer‘ folder and uses gmail as its storage medium. Drag’n drop files Gmail Drive and it will store them on your gmail account as if on additional hard drive. More on GmailDrive
• gDisk (Mac) – similar to above mentioned GmailDrive but for Mac users
• Gmail ToDo – handy desktop application that stores entered todo’s in a todo label on gmail
• Desktop Notifiers: GMail Notifier(official release from Google), GTray (Win XP), GCount (Mac), Gmail+Growl 2.0 (GmailNotifier addon that lets you further customize ‘new mail’ alerts)
• GMail for Mobile – access gmail from your mobile
• GmailFS – mountable Linux filesystem which uses Gmail as its storage medium
• Google Talk – Google’s IM service which is fully integrable with GMail
• You’ve Got Gmail – Gmail plugin for Trillian IM client
• more notifiers: KCheckGmail(Linux), Notifier2(Win)

Thanks to Robs Blog and MakeUseOf.com

Pranjal