GoldBug is a secure communication suite offering an E-Mail-Client, an Instant Chat Messenger, Filetransfer and a P2P Web search within decentralized URL-Databases. Every of your transfers is multi-encrypted by default.
Windows: qmake -o Makefile goldbug.win.qt5.pro make or mingw32-make
or choose in Qt-Creator: goldbug.win.qt5.pro
GoldBug offers for these main functions of E-Mail, Chat, IRC-like Groupchat, Filesharing and Web search multi-encrypted transfers based on asymmetric and also symmetric end-to-end encryption, the user can define. Once you have exchanged your encryption keys with a friend, the usage is very easy.
With many features GoldBug differs from other alternatives.