Here’s a cool tool for you- a multi-use IM service.
Trillian will allow you to set up Yahoo, AIM, ICQ and several other IM accounts all on one piece of software, so you don’t have multiple IM windows open on your computer. I’ve been using it for a couple of years now and love it. Now if they’ll just add Skype capabilies…
BuddyFetch is a search engine that allows people to search for fellow IM, social networking, and Internet dating users. BuddyFetch searches multiple providers :
43 Things, AIM, BEBO, BlackPlanet, Blurty, BookOfMatches, Digg, Espin, Facebook, Flickr, Friendster, Google Talk, Greatest Journal, HI5, Hot or Not, ICQ Messenger, IMVU, Jabber Messenger, Jaiku, LavaPlace, LiveJournal, Meetup, MocoSpace, MSN Messenger, Myspace, NetLog, OkCupid, Paltalk, PlentyofFish, Skype, Stickam, StumbleUpon, Tagged, Twitter, VOX, WAYN, Webdate, Xanga, YahooIM, YouTube, Zwinky.