multiprotocol secure chat
Download from PortableApps.com
Isotoxin Portable can run from a cloud folder, external drive, or local folder without installing into Windows. It's even better with the PortableApps.com Platform for easy installs and automatic updates.
Isotoxin is multiprotocol secure messenger application for Tox and XMPP with multiple profiles, metacontacts, audio and video calls, file transfers, skinning, profile encryption, and more.