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This website contains archived materials provided for historical reference purposes only. The content and links are no longer maintained and may be outdated.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


pitch tracking
sound editing
sound spectrogram
speech analysis
wave file


Other Windows software


Other Supported software

Speech Analyzer (Supported)

Current version: 3.0.1, released December 2007

You can use Speech Analyzer to do the following tasks:

Note: If you have transcribed data that cannot be converted to Unicode, Speech Tools 2.2 contains a non-Unicode version Speech Analyzer still available at Speech Tools downloads

More about Speech Analyzer

Getting Speech Analyzer

Technical Support

Speech Analyzer support


SIL Language Freeware End User License Agreement.