Apps

Alternatives to *SSH*

• rsh - An unencrypted network protocol and application used to connect to remote computers and issue commands.
• GoTTY - Share your terminal as web application.
• ttyd - Share your terminal over the web.
• telnet - An unencrypted network protocol and an application used to connect to remote computers and issue commands.

Automation

• DSH - Dancer's shell / distributed shell - Wrapper for executing multiple remote shell commands from one command line.
• Ansible - App deployment, configuration management and orchestration over SSH.
• rtop - Interactive, remote system monitoring tool based on SSH.
• parallel-ssh - ssh.svg?style=social&label=stars)](https://github.com/ParallelSSH/parallel-ssh) - Provides parallel versions of OpenSSH and related tools.
• SSH Power Tool - Execute commands and upload files to many servers simultaneously without using pre-shared keys.

Multiplexers

• tmux-cssh - cssh.svg?style=social&label=stars)](https://github.com/dennishafemann/tmux-cssh) - tmux with a ClusterSSH-like behavior.
• clusterssh - Cluster admin via SSH.
• tm - tmux manager / helper.
• i2cssh - csshX like SSH tool for iTerm2.
• ClusterSSH - Controls a number of xterm windows via a single graphical console.
• tmux - Terminal multiplexer.

Network

• sshhub - Web Service: access your SSH servers behind firewalls (ssh-teamviewer).
• sshfs - Filesystem client based on the SSH File Transfer Protocol.
• ngrok - Introspected tunnels to localhost.
• localtunnel - Expose localhost servers to the Internet.
• sshuttle - Transparent proxy server that works as a poor man's VPN. Forwards over ssh. Doesn't require admin. Works with Linux and MacOS. Supports DNS tunneling.
• sshttp - SSH/HTTP(S) multiplexer. Run a webserver and a sshd on the same port w/o changes.
• switcher - Run SSH and HTTP(S) on the same port.
• sslh - Applicative Protocol Multiplexer (i.e: SSH + HTTPS).
• tund - SSH reverse tunnel daemon.
• wssh - SSH to WebSockets Bridge.
• docker-volume-sshfs - volume-sshfs.svg?style=social&label=stars)](https://github.com/vieux/docker-volume-sshfs) - sshfs docker volume plugin.
• quicssh - QUIC proxy for SSH
• sshpiper - The missing reverse proxy for ssh scp.
• autossh - Automatically respawn SSH session after network interruption.
• Mosh - The mobile shell.

Servers

• sshportal - simple, fun, and transparent SSH (& Telnet) Bastion Server
• ssh2docker - SSH server to Docker containers.
• ssh-proxy - tooling/ssh-proxy.svg?style=social&label=stars)](https://github.com/ml-tooling/ssh-proxy) - Dockerized SSH bastion to proxy SSH connections to arbitrary containers.
• sshfront - Programmable SSH frontend.
• ssh-chat - chat.svg?style=social&label=stars)](https://github.com/shazow/ssh-chat) - Chat over SSH.
• sshcommand - Turn SSH into a thin client specifically for your app.
• x84 - A python telnet/ssh server for modern UTF-8 and classic cp437 network virtual terminals. In spirit of classic software such as ami/x, teleguard, renegade, iniquity.
• teleport - Modern SSH server for clusters and teams.
• ShellHub - io/shellhub.svg?style=social&label=stars)](https://github.com/shellhub-io/shellhub) - A SSH gateway for remotely accessing any Linux device behind firewall and NAT.
• whosthere - A SSH server that knows who you are. $ ssh whoami.filippo.io.
• sshmuxd - sshmux frontend.

*SSH* agent

• ssh-ident - ident.svg?style=social&label=stars)](https://github.com/ccontavalli/ssh-ident) - Different agents and different keys for different projects, with ssh.
• sshecret - Automatically create and manage multiple agents for multiple keys.
• oh-my-zsh/plugins/ssh-agent - my-zsh.svg?style=social&label=stars)](https://github.com/robbyrussell/oh-my-zsh) - ssh-agent plugin for zsh.

`.ssh/config`

• `assh` - ssh-config.svg?style=social&label=stars)](https://github.com/moul/advanced-ssh-config) - Transparent wrapper (ProxyCommand) that adds regex, aliases, gateways, includes, dynamic hostnames to SSH and ssh-config. Previously: advanced-ssh-config
• ansible-ssh-config - ssh-config.svg?style=social&label=stars)](https://github.com/gaqzi/ansible-ssh-config) - Letting Ansible manage ssh_config.
• ec2ssh - A ssh_config manager for AWS EC2.
• ssh-config - config.svg?style=social&label=stars)](https://github.com/dbrady/ssh-config) - A tool to help manage your .ssh/config file.

*SSH* keys / Authentication

• authy-ssh - ssh.svg?style=social&label=stars)](https://github.com/authy/authy-ssh) - Easy two-factor authentication for SSH servers.
• github-auth - auth.svg?style=social&label=stars)](https://github.com/chrishunt/github-auth) - SSH key management for GitHub users.
• totp-ssh-fluxer - ssh-fluxer.svg?style=social&label=stars)](https://github.com/benjojo/totp-ssh-fluxer) - A way to make sure your sshd port changes every 30 seconds.
• github-keygen - keygen.svg?style=social&label=stars)](https://github.com/dolmen/github-keygen) - Easy creation of secure SSH configuration for your GitHub account(s).
• kr - keygen.svg?style=social&label=stars)](https://github.com/KryptCo/kr) - Kr agent that route access request to the paired mobile phone where Kryptonite is installed.
• HIBA - Central management of access to a fleet of machines without pushing authorized_users files.
• cipherhub - Encrypt messages based on SSH public keys with easy import from GitHub.
• Slack notifications - ssh-session-notifications/)) - Guide to setup Slack notifications (can be modified for other services).
• ServerAuth - Automatically sync SSH access across servers

Testing / Honeypots

• sshmitm - SSH monkey-in-the-middle.
• ssh-hammer - hammer.svg?style=social&label=stars)](https://github.com/shazow/ssh-hammer) - SSH load testing tool.
• kippo - SSH Honeypot.
• ssh-audit - audit.svg?style=social&label=stars)](https://github.com/arthepsy/ssh-audit) - A tool for SSH server auditing.
• sshesame - A fake SSH server that lets everyone in and logs their activity.

Tools

• xxh - Bring your favorite shell wherever you go through the ssh.
• sshrc - Bring your .bashrc, .vimrc, etc. with you when you ssh.
• kyrat - SSH wrapper script that brings your dotfiles always with you on Linux and OSX.
• ssh-vault - vault/ssh-vault.svg?style=social&label=stars)](https://github.com/ssh-vault/ssh-vault) - encrypt/decrypt files using ssh keys
• ssh-ping - tools.svg?style=social&label=stars)](https://github.com/vaporup/ssh-tools) - check if host is reachable using ssh_config
• SSHPry v2 - Spy & Control os SSH Connected client's TTY
• redial - Terminal Based SSH Session Manager for Unix Systems

Tools using the *SSH* protocol

• sftp - File transfer protocol over SSH.
• scp - Secure remote file copy utility over SSH.
• rsync - Fast incremental transfer utility that supports SSH.
• curl - Command line tool and library to transfer data (support sftp).

Web

• Apache Guacamole - Apache Guacamole is a HTML5 based clientless remote desktop gateway. It supports standard protocols like VNC, RDP, and SSH.
• GateOne - HTML5-powered terminal emulator and SSH client.
• SSHmon - Real-time GUI to monitor SSH connections and establish port forwardings.
• Secure Shell chrome extension
• KeyBox - Web-based SSH console that centrally manages administrative access to systems.

Libraries

Alternatives to *SSH*

• sftp - SFTP support for the go.crypto/ssh package.
• go-sshkit - sshkit.svg?style=social&label=stars)](https://github.com/shazow/go-sshkit) - Toolkit for building SSH servers and clients in Go.
• Socker - Library for Go to simplify the use of SSH.
• go-sshkeys - Golang SSH Keys manipulation library
• jsch - Pure java, BSD licensed, SSH2 client library.
• ssh2 - SSH2 client and server modules written in pure JavaScript for node.js.
• paramiko - Native Python SSHv2 protocol library.
• net-ssh - ssh/net-ssh.svg?style=social&label=stars)](https://github.com/net-ssh/net-ssh) - Pure Ruby implementation of an SSH (protocol 2) client.
• crypto/ssh - Built-in SSH client and server library.
• libssh - The SSH library.

Resources

Community

• StackOverflow
• ServerFault

Documentation

• Wikipedia article
• man page
• Specifications (OpenSSH)

Security

• Security/Guidelines/OpenSSH - MozillaWiki - sshd\_config for 6.7+, 5.3.
• Applied-Crypto-Hardening - Crypto-Hardening.svg?style=social&label=stars)](https://github.com/BetterCrypto/Applied-Crypto-Hardening) - sshd\_config for 6.X
• 01/14/2016 - Integer Overflow CVE 2016 077[7-8].

Tutorials

• Best practices
• How to SSH login without a password
• Gist: SSH Recipes - Collection of recipes for writing awesome ssh config files.
• Granting Temporary Access to Your Servers (Using Signed *SSH* Keys)