SmarTTY!

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. MobaXterm bundles an X11 server, SSH client and other crucial network tools such as FTP, VNC, RDP, telnet and rlogin, all in a single executable file.

ConnectBot is a Secure Shell client for the Android platform. Its ultimate goal is to create a secure connection through which you can use a shell on a remote machine and transfer files back and forth to your phone.

The all in one terminal client for Android including SSH, Local Shell, Mosh and Telnet support.

Secure Shell is an xterm-compatible terminal emulator and stand-alone ssh client for Chrome. It uses Native-Client to connect directly to ssh servers without the need for external proxies.

Xshell is a powerful SSH1, SSH2, SFTP, TELNET, RLOGIN and SERIAL terminal emulator for Windows platforms. It allows users to gain access to Unix/Linux hosts easily and securely on a Windows workstation. SSH (Secure Shell) protocol supports encryption and user authentication for secure connections over the Internet, and it replaces legacy protocols such as TELNET and RLOGIN.

Royal TS provides easy and secure access to your remote systems

SecureCRT combines rock-solid terminal emulation with the strong encryption, data integrity, and authentication options of the Secure Shell protocol. SecureCRT provides secure remote access, file transfer, and data tunneling for everyone in your organization.

Alacritty is the result of frustration with existing terminal emulators. Using vim inside tmux in many terminals was a particularly bad experience. None of them were ever quite fast enough. Even so, Linux does have some decent alternatives. For example, urxvt and st give good experiences. The major downside with those options is difficulty of configuration and inability to run on non-X11 platforms. The options for macOS are particularly slow–especially with a full-screen terminal on a 4k monitor. None of these terminals are cross-platform–they are usually married to the windowing and font rendering APIs of their native platform. »

ZOC is a powerful and well-established terminal emulator and telnet client, well known for its outstanding user interface with tabbed multi session support.

FireSSH is a free, cross-platform SSH terminal client for Mozilla Firefox. Written entirely in Javascript!

Blink Shell is the professional, desktop-grade terminal emulator for iOS. It's a full-featured and highly configurable open-source terminal that can be compiled from the source at GitHub or purchased as a pre-compiled app from the App Store to support the developers.

MacTerm (was MacTelnet) on OS X is now a complete replacement for Terminal, allowing access to both local and remote applications.