Userscripts.org

Add a "Reply" and "Forward" button to Gmail's interface. (Applies to lastest email thread only)

Gmail's "Send mail as" feature is great, but for one thing: the From address field is unsorted, making life painful when you have more than a few accounts. This script sorts the list of options in the From field alphabetically, for pure send-as pl...

Adds functionality during message composition to support multiple from addresses. I've begun internationalization. Any translations would be helpful.

Allows you to enter custom signatures for each From: address in Google Mail (gmail).

Replace GMail classic superstars (which you can enable in GMail labs settings) by meaningful icons (place/dollar/sport/etc.) so you can quickly retrieve your emails by topic.

Highlights diff syntax in SVN commit messages

Forces all mailto links to open in GMail

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

This tool was coded recently as of May 13, 2013 Uses a flaw in gmails password reset to reset any gmail account password to your choice.

This script changes all mailto links into links torde compose a new message in horde-imp. Address, subject, cc and bcc are automatically prefilled.

Display HTML messages inline in the Horde webmail application

Recreates the HuskyMail login form in a sane manner, one that will allow your browser to remember your password.

Updates the title of the iGoogle page with the number of new mail in brackets

Label your labels as well as your Gmail.

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

Turn plain text links into real clikable links. Attempts to catch links like google.com. Doesn't linkify emails. Edited by JoeSimmons.

[1]Turn plain text URLs into links.[2]Supports http, https, ftp, email addresses.[3]Very helpful when visiting websites like pastebin and tinypaste

Skip Mail.Com ad pages (updated version for Firefox 1.5)

Skip Mail.Com ad pages and ads (updated version for Firefox 1.5). The checkbox of all unread messages is now checked, as default. This makes it easy to delete all new messages (good if your mailbox gets a lot of spam, as mine does)

Inserts a random Mailinator address into a form when the user presses F9. An image that links to the random address’s inbox is added next to the input box.

Inserts into a form a Mailinator alternate address corresponding to a Mailinator randomly generated secret address when the user presses F8. Two images are also added next to the input box for accessing the mailbox.

mail quotes color coding (each quote level will have its own color)

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]

Ask confimation for mailto: link click

prevents mailto links from opening your e-mail program. You'll be asked if you want to first.

v0.2: Unlink mailtos (toggleable) and add linked envelope with title showing exact mailto address.

uncheckes labels to remember e-mail or password

Stops hotmail redirecting you to msn when you sign out

OGame Alarm, sends email and audio alarm when attacked. Plus audio alarm for messages and espionage. Version : 3.4 (02/08/2013)

Sorry, this is out of date. Feel free to take the code and run with it. Download your OKCupid inbox and outbox as XML. (This takes a while.) Note: The "Saved Mail" folder is weird. I'm not quite sure how to handle it yet. For now, it is still b...