The best Remote Desktop alternative to Termius is Remmina, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Termius and nine of them are Remote Desktop Tools so hopefully you can find a suitable replacement. Other interesting Remote Desktop Tool alternatives to Termius are mRemoteNG, Remote Desktop Manager, FreeRDP and PAC Manager.
Open source remote desktop client for Linux and BSD supporting RDP, VNC, SPICE, and more, aimed at sysadmins and travelers needing remote access with features like scrollable high-res desktops and organized connection management.
Manage remote connections efficiently with this open-source tool, featuring a tabbed interface supporting RDP, VNC, SSH, Telnet, HTTP, and more protocols, without any ads.
Remote Desktop Manager lets you centralize all your remote connections, passwords and credentials into a unique platform that can be securely shared between users. Drive security, speed and productivity through your organization while reducing risks for your IT department.
Remote Desktop Manager is the most popular iPhone & iPad alternative to Termius.
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Enjoy the freedom of using your software wherever you want, the way you want it, in a world where interoperability can finally liberate your computing experience.
Termius is for terminal and SSH, FreeRDP is for Remote Desktop. One is for GUI and the other is command prompt, they're used for different tasks.
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.
Opaque is a GPLv3 licensed secure, super fast oVirt, Red Hat Enterprise Virtualization (RHEV), and Proxmox VDI client that allows you to connect graphically to all your virtual machines running in the cloud from anywhere in the world.
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.
Rabbit remote control is an open-source, cross-platform, multi-protocol remote control software.
Remote-desktop client designed for the GNOME platform. Access virtual machines and other external screens.
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Termius is for terminal and SSH, Remote Desktop Manager is remote management. They're used for different tasks.