Firefox PDF Viewer (PDF.js) vs Rosetta Stone
A side-by-side look at Firefox PDF Viewer (PDF.js) and Rosetta Stone. For an in-depth review of either product, follow the links below.
Firefox PDF Viewer (PDF.js)
Web Browsers
Firefox PDF Viewer (PDF.js) is an open source PDF viewer that is built into Firefox. It allows you to view PDFs directly in the browser without needing an external plugin.
open-sourcepdfviewerfirefoxbrowser-plugin
Rosetta Stone
Education & Reference
Rosetta Stone is a language learning software that uses immersion methods to teach reading, writing, speaking, and listening skills in over 20 languages. It provides interactive lessons and games that emphasize total language immersion without translation.
languagelearningimmersionreadingwritingspeakinglistening
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