Userscripts.org

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

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

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

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.

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.

Replace http:// with https:// in the address bar, to make sure you're using the SSL-encrypted version of a page. Only enable for pages that you know are SSL enabled.

GMail without ads, simple as it! Now, version 2.02

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

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]

DELETE_THIS_ACCOUNT

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.

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 :)

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

Pimp.your.Gmail!

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.

Add an embedded filter management module in message display page, which makes adding a filter much easier <<--- Change log: A quick fix for display bug --->>

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

Adds strikethrough button to Gmail rich text editor

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....

See from your inbox what kind of attachment an email has

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

Removes the ads from right side of the screen in the conversation view and moves the thread links from the top of that pane over to the left side, so they are still usable. Works with both Gmail and Google Apps.

[v0.53] Automatically skips any sponsored links (and optionally tips) detected in the Gmail Web Clips feed. Also optionally hides the sidebar that includes adverts when viewing an email thread.

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...

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

Opens the Gmail Compose window when you click on a mailto url, instead of opening some desktop application (Outlook, etc.).