The best open source alternative to QtTerm is RealTerm. If that doesn't suit you, our users have ranked more than 10 alternatives to QtTerm and eight of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to QtTerm are CuteCom, YAT - Yet Another Terminal, GtkTerm and QuteSerial.
RealTerm is a terminal program specially designed for capturing, controlling and debugging binary and other difficult data streams. It is far better for debugging comms than HyperTerminal. It has no support for dialing modems, BBS, etc. - that is what HyperTerminal does.
CuteCom is a graphical serial terminal aimed mainly at hardware developers or other people who need a terminal to talk to their devices.
Engineering, testing and debugging of serial communication. Supports RS-232/422/423/485 as well as TCP/IP Client/Server/AutoSocket, UDP/IP Client/Server/PairSocket and USB Ser/HID. Optimized for simple command sets of e.g. embedded systems.
Gtkterm is a simple GTK+ terminal used to communicate with a serial port. It is has fewer features than minicom, but is designed to be as easy to use as possible.
QuteSerial is a RS232 terminal in the veins of minicom, hyperterminal, and br@y's Terminal.exe. It allows you to access a old-fashioned RS232 (serial) port and display the received data in either a Hex or ASCII format.
moserial is a clean, friendly gtk-based serial terminal for the GNOME desktop. It is primarily intended for technical users and hardware hackers who need to communicate with embedded systems, test equipment, and serial consoles.
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