"If you have created or found iMacros that you think might be useful to others, simply tag them “for:imacros”. We will review the submissions and add the best ones to our collection for all iMacros users to enjoy."
"MathMap is a GIMP plug-in which allows distortion of images specified by mathematical formulae. For each pixel in the generated image, a script is evaluated which should return a pixel value."
"FireGPG is a Firefox extension under GPL which brings an interface to encrypt, decrypt, sign or verify the signature of a text in any web page using GnuPG."
"Client-side encryption. Your notes are strongly encrypted with your account password before they leave your browser. Even if I totally screw up someday and pull an AOL, your data will remain pretty safe."
"Zotero [zoh-TAIR-oh] is a free, easy-to-use Firefox extension to help you collect, manage, and cite your research sources. It lives right where you do your work — in the web browser itself."