Userscripts.org

Conceal the web pages you're actually looking at in the web page you're supposed to be looking at.

PublishNow! it's a simplified way to publish your photos on your photostream. Upload your photo as private, tag it and geotag it. When you are done, click on the Publishnow! link and your photo will appear on flickr as posted that very moment.

Now works with Greasemonkey and Chrome! Gives Scroogle.org the Google look, bookmarkable SSL searches, increased security, cache links, and clickable links to Bing images, YouTube, and Google Maps

Switch transfer protocol automatically to HTTPS on (nearly) every! host who provides these type of encrypted connection.

Forces Facebook and all links in a Facebook page (include Notifications) to use a secure connection (SSL). Also change external Facebook's links into links with https.

Allows you to have whisper conversations in a separate chat tab, type /pmwnd to open it. Whisper someone as you normally would initially, after that first message, you don't need that any more.

Inserts a bogus "Private Message" on your victim's Facebook homepage to taunt them forever! Personalise with various settings.

When you type /r or /reply it gets replace with /w name message. This version doesn't replace /reload like ventero's.

Changs small & medium profile pictures to large ones, even if it's private

Secures applicable domains by using a secure connection (SSL) to provide security, safety and protection to you while browsing the internet. Secure connections provides reinsurance that the current website does not contain content that can harm y...

delicious.com (previously del.icio.us) encrypted bookmarks creates bookmarks which are private even from delicious by encrypting them using blowfish encryption

D25Decrypter make a blog entry as private entry for Yahoo!360