Userscripts.org

Google page-enhancer turns all Google service pages BLACK: an inverted color scheme for reduced eye fatigue. It improves usability, page layout, widens search results and can remove clutter & improve security.

Replaces "Sign Out" link on Google pages with a select box of accounts.

Deprecated. Use Gmail Lab's Nested Labels feature instead.

Alerts you to the status of your Gmail Inbox through distinct Favicons.

Like labels? Like folders? LabelLinks4Gmail allows you to label your labels as well as your emails, combining the best of both worlds.

Manage Orkut;Quote messages;Toolbar in topics, scrapbook & testemonial;Quick reply;Signature;Bookmark communities or topics;Set a topic as chat;Make menus;Communities and topic list auto update;Keyboard shortcuts;Script auto update;Mass Moderatio...

Integrate various things into Gmail such as the Calendar, Reader, Notebook or just about anything else...

This script improves Google Mail's new look to be more neat and save space with additional keyboard shortcuts (set display density to compact) [all ads & feedback removed]

Pimp.your.Gmail!

Extra (customizable) keyboard shortcuts and macros for Gmail 2.0. Based on the work of Mihai @ persistent.info.

Adds GCAL feed to GMAIL

Audio & Favicon alerts for New Mails or Chat msgs. (Cross-browser compatible!)

For new version of Gmail: when viewing a message/conversation, the advertisement box on the right is removed and messages and reply box occupy the full width available. Long titles are optionally truncated.

Integrates your Google Calendar in to your Personal Gmail/Google Apps account. Now works with Google Chrome too.

Inserts your HTML signature(s) into a GMail message. Works only with new version of GMail.

Hides/Shows ads in Gmail, widens email body, removes beta from Gmail logo (disabled by default), & gives buttons a better look.

Makes conversations occupy full width by removing advertisement block on the right. The links above the ads are kept and placed conveniently next to the conversation title. The "map this" and "add to calendar" things are also kept.

Allows you to make the Inbox Collapsible and loads your choice of Google Calendar, Reader, Notebook, Groups etc... seamlessly into the gmail interface below the inbox (rather than the sidebar) using a collapsible box. Works w/Google Apps Accounts....

Use this GreaseMonkey script to reclaim the hefty area that the GMail's searchbar and Logo area take up.

Moves your signature in Gmail to the top of the message rather than the bottom

Forces known sites to use a secure connection. Look at description for the sites that are forced to use a secure connection. And just add any sites you want to use an https connection.

Shows the number of unread Gmail messages in the FavIcon in your Firefox tab.

Netbook Mode (show only message pane). Hides the ads, so the message pane is full width, but ALSO shows the gadgets (maps, events) as a popup. Overall, more space for your messages :)

Applies different signatures (look for 'Use identity:') for writing gmail messages when different From: address is chosen. Right now, data has to be configured directly into this script. Click EDIT to configure your email and signatures: email_arr...

Makes "mailto" links open in your favorite web-based email account, instead of a pop-3 client (like Outlook, Eudora, Thunderbird, etc.) Supports Gmail, Yahoo Mail, and Google Apps Mail. [UPDATED Dec 2011]

Gmail Air Skin with ads-block for the new Gmail offical "Classic" and "Default" theme.

It allows your gmail navigation to be fixed. As the user scrolls down a page, the navigation menu on the left of the page stays in view.

Adds strikethrough button to Gmail rich text editor

Deprecated by Gmail Addons at http://userscripts.org/scripts/show/19956

Inserts your HTML signature into a GMail message