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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This website contains archived materials provided for historical reference purposes only. The content and links are no longer maintained and may be outdated.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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Data Management


audio recordings
utterance database


Other Windows software


Other Supported software

Phonology Assistant (Supported)

See the new Phonology Assistant site for up-to-date information.

Current version: 3.0.1, released May 2008

This program keeps track of phonetic data from the keyboard and from Speech Analyzer sound recordings. It uses standard IPA characters to index and display data.

Note: If you have transcribed data that cannot be converted to Unicode, Speech Tools 2.2 contains non-Unicode versions of Phonology Assistant and Speech Analyzer still available at Speech Tools downloads

More about Phonology Assistant

Getting Phonology Assistant

Technical Support

Phonology Assistant support


SIL Language Freeware End User License Agreement.