The I.T.Agency
- Distributes software from Corporate Computers Systems for the HP 3000 / MPE. CCS/C-XL 'C' language compiler. TRAX/COBOL & TRAX/C source level debuggers.
- http://www.the-internet-agency.com/itagency/ccs/ccsprods.htm

Hewlett-Packard Documentation On-Line
- On-line documentation for HP's commercial programming languages including Allbase SQL, BRW, C, Cobol, Fortran, Pascal, RPG, Transact, and symbolic debugger.
- http://docs.hp.com/mpeix/all/index.html

HP e3000 Jazz Web Server
- HP's download site for language ports including Java/iX, Perl/iX, and Python/iX. Papers and software for POSIX porting.
- http://jazz.external.hp.com

Mark Bixby
- Perl/iX for HP e3000. The "official" home page for the HP e3000 MPE/iX port of the Perl scripting language.
- http://www.bixby.org/mark/perlix.html

Hewlett Packard - GCC
- GNU GCC (C++) MPE/iX port for the HP e3000 available from the HP e3000 webserver - Jazz.
- http://jazz.external.hp.com/src/gnu/gnuframe.html

DIS International
- Online documentation for GNU Tools for the HP 3000 including GNU GCC, Assembler, Make, and CVS.
- http://www.dis.com/gnu.html