Cufon - SIFR alternative for font embedding
http://wiki.github.com/sorccu/cufon/about
SmartLook - Embed Documents
http://issuu.com/smartlook/
sIFRvault - Flash Font Embed
http://www.sifrvault.com/
Embed Word, Excel, PowerPoint, PDF
http://embedit.in/
typeface.js - embed custom fonts using javascript
http://typeface.neocracy.org/
AJAX Instant Messenger Embeddable
http://www.ajaxim.com/
Quibblo - Embeddable Flash Polls (Quizzes)
http://www.quibblo.com/
Scribd iPaper - Embeddable PDF
http://www.scribd.com/ipaper
MeeboMe - Embeddable Instant Messenger
http://www.meebome.com/
Tangler Discussion Forums - Embeddable forums
http://www.tangler.com/