PIE is free and open-source software, licensed under a New BSD License, and all source code is available below. Read the README file for how to use the source code files.
Overview
Files that Build PIE's Pronunciation Data
PIE (English Learner's Edition) Source Code and Compiled Chrome Extension (CRX)
PIE (Literacy Edition) Source Code and Compiled Chrome Extension (CRX)
Word Translator Source Code and Compiled Chrome Extension (CRX)
PIE as JavaScript Libraries
Toolkits for Creating PIE Books
A Reliable Font for Displaying and Printing PIE Text