Drop.io is an online file hosting and sharing service that is designed to be simple and emphasizes privacy. It allows users to create online sharing points called “drops” that are used for uploading and sharing documents, images, video, audio, and other digital content without accounts, registration or e-mail addresses. Drops are non-searchable and not networked.

eBuddy is a web & mobile messenger which supports various instant messaging services including Windows Live Messenger, Yahoo!, AIM, Google Talk, ICQ, Facebook, and MySpace IM.
eBuddy is a web browser-based instant messaging service that originally started as e-Messenger in 2003. It combines MSN, AOL, Google Talk, ICQ, Facebook and MySpace IM into a single web based interface. It is also available via mobile phones, independent of carrier or device via WAP or mobile internet browser.

Pidgin is an instant messaging program for Windows, Linux, BSD, and other Unixes. You can talk to your friends using AIM, ICQ, Jabber/XMPP, MSN Messenger, Yahoo!, Bonjour, Gadu-Gadu, IRC, Novell GroupWise Messenger, QQ, Lotus Sametime, SILC, SIMPLE, MySpaceIM, and Zephyr.
Pidgin can log in to multiple accounts on multiple IM networks simultaneously. This means that you can be chatting with friends on AIM, talking to a friend on Yahoo Messenger, and sitting in an IRC channel all at the same time.