Top Alternatives to ConnectBot

PuTTY is a free SSH client.

OpenSSH is the premier connectivity tool for remote login with the SSH protocol. It encrypts all traffic to eliminate eavesdropping, connection hijacking.

GNOME Terminal is a terminal emulator for the GNOME desktop environment written by Havoc Pennington and others.

MobaXterm is a free X server for Windows with tabbed SSH terminal, telnet, RDP, VNC, Xdmcp, Mosh and X11-forwarding.

Terminator is a terminal emulator released under General Public License and is available for GNU/Linux Platform.

ZOC is a modern terminal emulator for Windows and macOS.

Remote Desktop Manager is a remote connection and password management platform.

Xshell is a powerful terminal emulator that supports SSH, SFTP, TELNET, RLOGIN and SERIAL.

PAC is a SecureCRT/Putty/etc (connections manager with automations) equivalent for the Linux world.

SecureCRT is an SSH and Telnet client and terminal emulator.

Chrome Secure Shell is a xterm-compatible terminal emulator and stand-alone ssh client for Chrome.

FireSSH is a free, cross-platform SSH terminal client for Waterfox.

JuiceSSH is a free SSH client for Android.

Termux is a terminal emulator and Linux environment for Android.