you.gotfoo.org

Better Gmail
A comprehensive suite of Gmail enhancements, including skins, saved
searches, keyboard macros, secure access, attachment icons, attachment
reminders, label colors, signature floating and more.
https://addons.mozilla.org/en-US/firefox/addon/4866
Google Send to Phone
Google Send to Phone for Firefox is an extension that enables you to
send short text messages of [...]

This is a very easy hack that I created today.
Prerequisites

You'll need a RememberTheMilk Account
The Custom Buttons Firefox Extension

Once you've got a RTM account setup and the Custom Buttons extension installed you're ready to add the button.
In FF click View->Add new button....
A dialog box will appear with space to add a Name, an Image, some [...]

AllPeers allows you to share your files privately and securely and with who you choose. AllPeers is part of a new breed of P2P file sharing where you can specify who can access your shared content.
Since AllPeers is a Firefox extension the set up is a very easy. Once it is installed [...]

Gmail Manager is a very handy tool that allows you to monitor multiple Gmail accounts all from with in Firefox.
What I like is that I can see what's in my Gmail at a glance.
What I don't like is that when I hover over the tray icon it display a list of unread messages but when [...]

I just found this Firefox Extension: Poster which allows you to interact/test HTTP Requests to Web Services.
For instance suppose you want to test a query using Yahoo's Search Web Services but you don't want to go through the hassle of either hacking some code or using my handy phpYahoo Class. What you can do [...]

I found this sweet Firefox Extension: FireFTP that works like a frickin charm. This extension may in fact get me to back into using Linux more because now that I have a nice alternative to use in Xubuntu aside from gFTP. (I haven't been using Linux as much lately due to my dislike [...]

FireBug is a very handy Firefox extension for debugging Javascript applications which lets you step through code one line at a time. And it is especially useful for debugging Ajax applications and lets you really see what is in the HTTP Request Packet and where things may have gone wrong.