The software Google's browser uses to show PDF files has been proprietary for years, but now it's an open-source project called PDFium that others can scrutinize or use themselves. Stephen Shankland ...

Gaaiho Reader is a is a feature-rich, free PDF viewer with full support for all of the content embedded in a typical PDF document like form-filling, multimedia, and links. Unlike most free PDF viewers ...

Gaaiho Reader is a is a feature-rich, free PDF viewer with full support for all of the content embedded in a typical PDF document like form-filling, multimedia, and links. Unlike most free PDF viewers ...