Source code for the Acorn Archimedes port of Hugo 2.5, by Colin Turnbull.
A collection of Hugo icons and logos, in GIF and PNG formats, by Kent Tessman.
Source code for Hugor 2.2, written by Nikos Chantziaras.
Source code for the EPOC/Psion port of the Hugo 2.5.03a runtime engine, release 2, by Simon Quinn.
Source code for the OS/2 port of Hugo 2.5, by Gerald Bostock.
Additional Hugo 3.1.02 source files for the Amiga, by David Kinder.
Additional Hugo 3.1.03 source files for BeOS, by Kent Tessman.
Additional Hugo 3.1.03 source files for 16-bit DOS, by Kent Tessman.
Additional Hugo 3.1.03 source files for 32-bit DOS, by Kent Tessman.
Additional Hugo 3.1.03 source files for Glk, by Kent Tessman.
Additional Hugo 3.1.02 source files for the Macintosh, by Kent Tessman.
Additional Hugo 3.1.03 source files for PalmOS, by Kent Tessman.
Source code for version 3.1.03 of the Hugo compiler, runtime engine and debugger, by Kent Tessman.
Source code for the Unix port of Hugo 3.1.03. The Linux port was originally written by Bill Lash, and updated by Kent Tessman.
Additional Hugo 3.1.03 source files for Win32, by Kent Tessman.
Additional Hugo 3.1.03 source files for Windows CE, by Kent Tessman.
Additional Hugo 3.1.03 source files for wxWindows (a cross-platform GUI toolkit), by Kent Tessman.
Hugo compiler, engine, and debugger porting notes by Kent Tessman.