The best open source alternative to MTPuTTY (Multi-Tabbed PuTTY) is Windows Terminal. If that doesn't suit you, our users have ranked more than 25 alternatives to MTPuTTY (Multi-Tabbed PuTTY) and ten of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to MTPuTTY (Multi-Tabbed PuTTY) are Muon SSH/SFTP client, ConsoleZ, SSH Pilot and Haven SSH Client.
Windows Terminal is a new, modern, feature-rich, productive terminal application for command-line users. It includes many of the features most frequently requested by the Windows command-line community including support for tabs, rich text, globalization, configurability...
Graphical SFTP client and terminal emulator with helpful utilities.
console - This is a modified version of Console 2 for a better experience under Windows Vista/7/8 and a better visual rendering.
Desktop SSH manager featuring a user-friendly graphical interface, integrated terminal, tabbed sessions, port forwarding, secure credential storage, SCP upload, keypair generation, privacy controls, customizable appearance options, and .ssh/config import support.
PAC is a Perl/GTK Gnome replacement for SecureCRT/Putty/etc... It provides a GUI to configure SSH/Telnet connections: users, passwords, EXPECT regular expressions, macros, etc.
QuTTY is a multi-tabbed, multi-paned SSH/Telnet client with a terminal emulator. The goal is to support advanced features similar to iterm2. Following features are supported.
RustConn is a modern connection manager for Linux desktops built with GTK4. It provides a unified interface for managing SSH, RDP, VNC, SPICE, and Zero Trust remote connections with support for both embedded and external clients.
All-in-one Enterprise Network Suite: VPN Manager (FortiSSL/IPsec), IP Profile Switcher, and SSH Terminal/Tunneling GUI for Linux & macOS.
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Windows Terminal lacks direct SSH support and favorites