The Ultimate Uplink Guide - Word Version (562.62 KB) - This guide contains everything you will ever need to know about Uplink, and a few things you won't need to know. It has detailed descriptions on every aspect of the game. The only guide you will ever need. You can also view the guide online, here. Created by Icepick (me :) )
The Ultimate Uplink Guide - PDF Version (Zipped) (487.6 KB) - PDF Version of the Ultimate Uplink Guide
The Ultimate Uplink Guide - PDF Version (554.51 KB) - PDF Version of the Ultimate Uplink Guide (Unzipped for browser viewing)
Einstein's Guide to Skinning (518.16 KB) - A detailed guide on how to make skins for Uplink. Comes with lots of pictures, and a colour testing program to help pick your colours.
A.W.O.L Gateway Making for Dummies (v4) (694.07 KB) - The best guide availible for making gateways. This will answer every question you might have (and few you probably wont ;) )
If you want to make your own gateways but don't know how, you need this guide. Written by PunisherBass
A.W.O.L. Gateway Making For Dummies v4.0 (PDF Version) (526.04 KB) - PunisherBass' gateway creation guide, in PDF format for all those people that don't have MS Word 2000.
GPT's LAN Creation Guide (9.34 KB) - A detailed guide on how to make LANs using the mod features in Uplink v1.31. This should answer most questions you have about making LANs.
Ultimate Uplink Guide (Spanish) (158.41 KB) - A Spanish version of the Ultimate Uplink Guide, translated by hacker33.