Language processing technologies and services for PL/I. The RainCode Engine for PL/I parses "virtually all PL/1 dialects available today" for quality assessment, migration, standards compliance, and documentation.

Reference and how-tos for PL/1. Includes statement reference, built-in function reference, example code.

Developer of the Iron Spring PL/I compiler for OS/2 and Linux. Free download of alpha OS/2 version and documentation.

An interactive workbench used to analyze and re-engineer legacy PL/I systems. Program overview and description, key features, hardware and software requirements.

Reference for the PL/M 386 language and compiler. Includes language description and grammar, differences between various PL/M versions, and how to link and run a PL/M 386 program.

Reminiscences about a first experience with PL/I and IBM's PL/I(F) compiler in 1967, by Jim Horning.

Provides automated programming language conversion services for PL/I, Cobol, and Fortran.

A beginner's guide to the PL-6 programming language (1988).

A compiler-translator which accepts PL/M source files and produces ANSI or K and R C as output. Includes documentation and translation examples. Free demo download.

Classic test program, written in PL/1.