RealTerm is described as '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' and is a terminal emulator in the os & utilities category. There are more than 10 alternatives to RealTerm for Windows, Linux, Mac and FreeBSD. The best RealTerm alternative is CoolTerm, which is free. Other great apps like RealTerm are Tera Term, CuteCom, YAT - Yet Another Terminal and GtkTerm.
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.
United States
AccessPort is serial port monitoring tool for technicians, engineers and software developers designing or debugging serial port related projects.
RS-232 and RS-485 serial terminal and serial port monitor for macOS, Windows, Linux, with a Modbus RTU decoder and RS-485 sniffer, time-stamped logging, macros, triggers and ESP32, STM32, AVR firmware flashing, plus optional Lua scripting, charts, an AI assistant (BYOK) and an MCP server.
Poland
EU
Listen32 tap into RS-232 transmit signals for monitoring bi-directional communications between two devices. Two COM ports are used in the listening device, the receive line of each connected to the transmit line of one of the communicating devices.
South Korea
