Apps similar to FrameTerm include CoolTerm, which is free. Other options are RealTerm, Tera Term, YAT - Yet Another Terminal and HTerm. In total there are nine Terminal Emulators like FrameTerm for Windows, Linux and Mac.
CoolTerm is a simple serial port terminal application (no terminal emulation) that is geared towards hobbyists and professionals with a need to exchange data with hardware connected to serial ports such as servo controllers, robotic kits, GPS receivers, microcontrollers, etc.
Switzerland
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.
Tera Term (Pro) is a free software terminal emulator (communication program) for MS-Windows. It supports VT100 emulation, telnet connection, serial port connection, and so on.
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.
Germany
EU
Hercules SETUP utility is a useful serial port terminal (RS-485 or RS-232), UDP/IP terminal and TCP/IP Client Server terminal. It was created for HW group internal use only, but today its includes many functions in one utility and its Freeware!
CzechiaEU
WhippyTerm is a modern GUI based terminal program. It was designed to have a modern UI and to run on modern OS's like Windows and Linux. It also has a number of unique features such as bookmarks, built in hex dumps, extending through plugins, and native support for binary...
AccessPort is serial port monitoring tool for technicians, engineers and software developers designing or debugging serial port related projects.
