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SIL Software Catalog

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.