The portable Tun/Tap devices configuration utility

Next-generation security network access technology, providing high-performance Virtual Ethernet tunneling service.

TZX to TAP dot command for ZX Spectrum Next (NextZXOS)

Minimalistic portable test runner for C projects

C language Independent Verification & Validation

Low-level GNU/Linux dual function key remapper (X and Wayland)

Source for various Spectrum-related tools from John Elliot's web site.

zenith keyboard 5-pin to usb converter

Network event emitter for Linux.

ubridge: Bridge for UDP tunnels, Ethernet, TAP and VMnet interfaces.

A small tool receiving TZSP encapsulated data and forwarding it to a local tap interface. Very usefull for IDS systems.

Minimalistic tap-ucspi utility

x.25-tap: X.25 tap for Linux

Fully-automated Vivado + SDK example that tests an emulated JTAG TAP controller

simple header for testing c/c++ source code

Open a GRE over UDP tunnel between one or more network interfaces and a remote server

TAP interface implementation based on esp-netif

An implementation of the TAP testing protocol

Tips gives you simple explanations for commands.