The best open source alternative to SecureCRT is PuTTY. If that doesn't suit you, our users have ranked more than 50 alternatives to SecureCRT and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to SecureCRT are OpenSSH, Termux, mRemoteNG and ReTerminal.
Free and open-source terminal emulator for connecting to remote systems via SSH, Telnet, and SCP. Portable with no installation required, providing lightweight functionality. Ideal for secure connections with features like command line support and customizable settings. Works offline effortlessly.
OpenSSH is a free version of the SSH connectivity tools that technical users rely on. OpenSSH encrypts all traffic (including passwords) to effectively eliminate eavesdropping, connection hijacking, and other attacks.
Experience a powerful Unix terminal on Android without the need for rooting. Customize with packages via Apt, run command-line tools, SSH, and program in C, Python, and more. Enjoy a full Unix environment with bash, zsh, mouse support, and external display compatibility.
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.
ReTerminal is a sleek, Material 3-inspired terminal emulator designed as a modern alternative to the legacy Jackpal Terminal. Built on Termux's robust TerminalView.
KiTTY is an opensource terminal emulator, forked from PuTTY , that adds many extra features to the original software.
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.
A GPU-accelerated cross-platform terminal emulator and multiplexer written by @wez and implemented in Rust
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.
Tera Term (Pro) is a free software terminal emulator (communication program) for MS-Windows. It supports VT100 emulation, telnet connection, serial port connection, and so on.
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.
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Functionality is very limited in comparison. Is like saying an old 2G phone and a Samsung S25 are the same.