Intrec Software, Inc. Home
Computers, Systems, Apple, Apple II - Intrec Software. Publisher of the ProTERM telecom program.
https://www.intrec.com/
Apple II History Home
Computers, Systems, Apple, Apple II - Apple II History. An extensive history of the Apple II by Steven Weyhrich.
https://apple2history.org/
NuLib Home Page
Home page for NuLib, NuLib2, NufxLib, ShrinkIt, and NuFX (SHK) archives
http://nulib.com/