Open Source Java PDF Editors

LilyPond editor based on JEdit, implemented as a JEdit plugin. It is an edit mode and a feature rich plug-in, which provides tools for making LilyPond scores. Features include instant completion, error report, PDF preview.

DjVu++ is a user-friendly program that used to manipulate DjVu file formats such as eBooks with a penalty of editing features. The program introduce a free replacement for the property PDF format with similar resolution and smaller file size DjVu++ also support OCR to handle text in scanned books and images. The program shows good performance for English. In addition to the Arabic language to lead free and commercial software in this area. The main features of DjVu++ program are: o Manipulate DjVu files. o Support smaller size than PDF with the same performance. o DjVu++ supports two languages in the OCR technique (Arabic and English). o Read multiple documents at the same time with the new tabs feature. o DjVu++ supports multiple formats:  Convert PDF document into DjVu format with smaller file size and the same performance.  Convert DjVu into PDF format.  Combine images to a single DjVu document. Perform OCR operations on multiple image formats.

Xom (Xml Object Model) is a lightweight, powerful, and extensible framework for representing Java gui elements. Also, general java gui tools/frameworks for creating impressive user interfaces. Includes a basic PDF viewer, and various gui components.

JPDF Export is a java library built on the famous iText library. It provides simple functions that can be used to build complex pdf files. It also provides simple classes to merge, split and convert pdf files

This project is forged to compare two PDFs . IT uses following approach in compression 1 . Extract All text of both pdfs and compare them Page by Page 2. Extract all images from both PDF and save in folders and then compare them one by one and save difference in Difference Folder 3. Convert PDF 1 and 2 pages to JPG and compare them one by one

A simple online service for PDF conversion. This project is a simple library and also a web application. It offers a REST service and a simple upload service for synchronous conversion. This library/application doesn't contain conversion libraries because it's a wrapper for existing tools. toPDF currently supports the open source tool PDF Creator (http://www.pdfforge.org) and the commercial solution, easy PDF, from BCL (http://www.pdfonline.com/easypdf/sdk/).

This installation package is a digital typesetting software suitable for digital inkjet printing factories. The typesetting effect is 4 pages per printed sheet, and the binding methods are: lockstitch, wireless, and saddle stitching. The author of this software has been engaged in S&D for many years, aiming to provide more professional information solutions for factories. If you have any questions about IT, you can contact me through visualproc@hotmail.com.

JPDF Tools is a GUI java program built on the JPDF Export library. Its main aim is to create pdf files by inserting texts, images or tables. Users can also merge PDF files, split PDF files, merge images into PDF files and soon convert from and to PDF files.