"Termux is a terminal emulator and Unix environment bringing powerful terminal access to Android."
"A curated list of awesome honeypots, tools, components and much more. The list is divided into categories such as web, services, and others, focusing on open source projects."
DNS-based expiration and revocation of SSH client keys
"allows you to mount directories from any SSH server to your Android device"
"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."
An email format to report network abuse: The main intention of x-arf is to extend the Abuse Reporting Format (RFC 5965) to include e.g. reports of ssh attacks or phishing websites.
Configuration changes unfortunately require re-compilation, otherwise neat.
Self-contained, portable, single exe file with X server, terminal, etc., including support for stand-alone bookmarks/shortcuts