File Format APIs for Java
Java Solutions for Presentation File Formats
Read, Write, Manipulate & Convert Microsoft PowerPoint Presentations to other formats using Open Source APIs.
Presentation APIs for Java Include
Apache POI HSLF
Add PowerPoint Binary file format (PPT) processing capabilities to your own Java applications.
Apache POI XSLF
Provides capabilities such as reading, writing, manipulation & conversion of PPTX files via Java.
DOCX4J allows creating, editing, manipulation & converting PPTX files via Java.