By Michael Rask Christensen, including sample programs.

Automatically translates programs written in PLM language to C language. [Commercial]

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

An Integrated Development Environment (IDE) with Analyzer, Editor, Browser, Graph, Metrics.

Classic test program, written in PL/1.

IBM VisualAge PL/I for AIX, MVS/VM, OS/2, VSE, Windows.

Compiler product for Unix and Windows, from Liant Software Corporation.

Compiled by Robin Vowels.

Links, tutorial, function library, book and course references.

Produces ANSI or K&R C as output. Includes documentation and translation examples.

Presentation comparing these programming languages, from a PL/I perspective.

General information, resources and FAQ about PL/I.

Resources and links for PL/I. Compilers and tools list, bibliography.

One of the original "compiler compilers", is a derivative of PL/I and was widely ported. Documentation, links, and resources.