Point-to-Point Protocol Extensions (pppext) Charter
Point-to-Point Protocol Extensions (pppext)

PPPTCP
This is a peer-to-peer IP tunnel program that runs a PPP connection over an arbitrary TCP port.

simpleppp.html
Simple PPP

SLIP/PPP Homepage
Documentation for setting up a SLIP/PPP connection from your home computer to the Internet.

The Direct Connection
Driver, documentation, and guides for null-modem PPP connectivity.

Trumpet Software International
makers of Winsock software.