SIL Font Development Guide

How to build, modify, and contribute to SIL International font projects

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This website is no longer being updated. Revised and improved information can be found at
Writing Systems Technical Resources

Welcome to the SIL font development guide.

This website has been set up as a step-by-step guide to building, modifying and contributing to the various open font projects designed and developed by SIL. Let us know if you have any comments or suggestions to add to this guide. Enjoy!

  1. 1 Introduction
  2. 2 Source Formats
  3. 3 Repository Structures
  4. 4 Workflow Overview
  5. 5 Setting Up Tools
  6. 6 Configuring WSL
  7. 7 Building Font Projects
  8. 8 Modifying Font Sources
  9. 9 Contributing Changes