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SIL Software Catalog

This website contains archived materials provided for historical reference purposes only. The content and links are no longer maintained and may be outdated. SIL's current website is, and it includes a Software & Fonts section.

SIL has developed more than 60 pieces of software to support the work of its fieldworkers; most available to the public for free download. This on-line catalog contains product descriptions, download or purchasing instructions, and technical support information, including the latest SIL software Service Bulletins.

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Programming Language
Text Utility


Other MS-DOS software
Other Macintosh software


Other Endorsed software

PTP (Endorsed)

Current version: 4.06

A text processing language with a very small memory footprint (developed in the 1970s). It adds structured programming control structures to basic text editing commands to yield a programmable text processor.

Getting PTP



SIL Language Freeware End User License Agreement.