Iron Spring Software produces the Iron Spring PL/I compiler, the leading cross-platform PL/I compiler supporting both Linux and OS/2.

Recent News

3 April 2021: Iron Spring PL/I compiler version 0.9.10d is now available.

This version includes more support for UNSIGNED data including the SIGNED and UNSIGNED builtins, and corrected operation of comparisons involving SIGNED and UNSIGNED data.
Structure declarations with factored level numbers are now parsed correctly.
For other fixes and modifications see the Programming Guide or the README file for your system. See the "Download" page for information.

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