Text Processing Utility
Author: Digital Equipment Corp.
Manual: http://h71000.www7.hp.com/doc/73final/6021/6021pro_contents.html (For EVE, written in TPU)
Platform: DEC mini-computers (PDP-11, VAX)
TpuLanguage is a proprietary programming language somewhat reminicent of Ada that is used to write extensions to the HP (formerly Compaq formerly DEC) OpenVMS TPU TextEditor.