Instant Messengers: Portable instant messaging (IM) apps you can run directly from a USB flash drive. Stay connected on the go without installing software.
Digsby is an All-In-One Instant Messaging, Email, and Social Networking tool. It could be used to manage all your IM, email and social network accounts with one tool using one login. A Digsby Portable IM Install option exists for installing to a USB device.
X-Pidgin is a free and open source portable instant messaging client based on the popular Pidgin IM platform and packaged by winPenPack. This portable chat application allows users to connect to multiple chat networks at the same time from a single interface, all without requiring installation on the host computer.
aMSN Portable is a free and open source MSN Messenger clone packaged with a portable wrapper, allowing it to run directly from a USB flash drive or other removable storage. Based entirely on the original aMSN project, this portable instant messenger makes it possible to stay connected to MSN contacts while on the move, without installing software on the host system.
Emesene is a free MSN portable client, essentially an MSN Messenger clone, that can be stored and run directly from a USB device. It provides many of the same features as MSN Messenger, making it a lightweight and portable instant messaging solution. It supports tabbed chats, custom emoticons, file transfers, offline messaging, personal messages, nudges, chat logging, plugins, and a multilingual interface.
Coccinella is a cross platform Portable Instant Messenger or Portable IM with a built in whiteboard that incorporates the following features. Secured connections, avatars and emoticons, plugins, open standard instant messaging, multi user chat (group chat) and file transfers. It is also cross platform, multilingual, and open source IM software.
Miranda NG is a modern, open source, and portable instant messaging client. Like the original Miranda IM, it supports multiple chat networks including AIM, ICQ, IRC, MSN, XMPP (Jabber), Yahoo, and more. It has an active development community and a plugin system, allowing users to extend functionality with features such as file transfers, message logging, RSS feed readers, and extra utilities.
This portable version can be run directly from a USB drive or other removable media, making it ideal for users who need their instant messaging setup on the go.
Pidgin Portable is Portable Instant Messaging software that allows users to have access to all of his or her Instant Messaging accounts from one simple to use application. This portable instant messaging application is based on the popular Open Source Pidgin IM software. It supports AOL, Yahoo, MSN, ICQ and Jabber networks and additional encryption plugins are available via the authors website.
Gaim Portable is an Open Source portable instant messaging client application. It is essentially an all in one instant messaging client that allows you to take your IM settings and buddy lists with you wherever you go on a portable device. This Instant Messenger can be stored and launched directly from a USB device.