mrxvt is described as 'Based on rxvt. Tabbed interface. Very lightweight. Few dependencies. Only drawback is poor unicode support (theres an SVN branch with working but slightly buggy support)' and is an app in the OS & Utilities category. There are more than 50 alternatives to mrxvt for a variety of platforms, including Windows, Linux, Mac, BSD and Android. The best alternative is PuTTY, which is both free and Open Source. Other great apps like mrxvt are cmder (Free, Open Source), ConEmu (Free, Open Source), PowerShell (Free, Open Source) and MobaXterm (Freemium).
PuTTY is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection. It can also connect to a serial port.
Windows console emulator with tabs, which presents multiple consoles and simple GUI applications as one customizable GUI window with various features. Initially, the program was created as a companion to Far Manager .
PowerShell (including Windows PowerShell and PowerShell Core) is a task automation and configuration management framework from Microsoft, consisting of a command-line shell and associated scripting language built on the .NET Framework.
MobaXterm is an enhanced terminal app that brings the advanced features of a Unix-like command-line to Windows. It takes the power of Cygwin and wraps it in a sleek, visual interface that's super easy to use, lightweight and portable.
Terminator enables the user to run and manage multiple terminal emulators side-by-side in the same window. The main focus is arranging terminals in a grid. (Tabs is the most common default method, which Terminator also supports.
Hyper™ is a beautiful and extensible, cross-platform terminal built on open web standards. It provides an elegant command-line experience that is consistent across all supported platforms which includes macOS, Windows and various Linux distributions like Fedora and Debian.
Cygwin is a Unix-like environment and command-line interface for Microsoft Windows. Cygwin provides native integration of Windows-based applications, data, and other system resources with applications, software tools, and data of the Unix-like environment.
Alacritty is a blazing fast, GPU accelerated terminal emulator. It’s written in Rust and uses OpenGL for rendering to be the fastest terminal emulator available. Alacritty is available on GitHub in source form.