Open Source PDF Software

TCPDF is a PHP class for generating PDF documents without requiring external extensions. TCPDF Supports UTF-8, Unicode, RTL languages, XHTML, Javascript, digital signatures, barcodes and much more. IMPORTANT: This version will be soon marked as deprecated and replaced by a new version currently under development: https://github.com/tecnickcom/tc-lib-pdf

The PoDoFo library is a free, portable C++ library. It can parse and modify existing PDF files and create new ones from scratch. It also includes several tools to work with PDF files. It features an unique approach which provides access to PDF documents via an object tree. Therefore, PDFs can be created and or manipulated using a simple tree structure. Development of PoDoFo has been moved to GitHub: https://github.com/podofo/podofo Please raise new issues in the GitHub project.

iText is an open-source PDF library available for Java and .NET (C#). iText allows you to effortlessly generate and manipulate standards-compliant PDF documents with a powerful and feature-rich SDK. With iText, you can create archivable and accessible PDFs, split and merge documents, fill and flatten forms, digitally sign documents, and more. iText add-ons enable additional functionality, such as PDF creation from HTML templates, secure redaction, OCR, and much more. The latest versions of iText build on the success of previous versions and feature an improved document engine, high and low-level programming capabilities, and a more efficient modular structure. iText represents the next level for developers looking to leverage PDF in document workflows. The main project page for iText is now on GitHub, and all the latest releases, code samples, open source add-ons and tools, etc. can be found at https://github.com/itext/.

Split and merge PDF files with PDFsam, an easy-to-use desktop tool with graphical, command line and web interface.

Pdf4Tcl is a library for generating PDF documents from Tcl.

Rapidly generate simple PDF reports on Laravel or CSV/Excel reports. This package provides simple PDF, csv & excel report generators to speed up your workflow. It also allows you to stream(), download(), or store() the report seamlessly.

PDF Guru is a simple in use program for merging multiple images and PDF files into a single compact PDF file. It is capable of selecting specific PDF pages or range of pages, which lets you have more control on the output file. Be able to produce compacted, smaller sized files in any operating system. Its features makes it a great, must have, tool for everyone.

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/).

A simple tool to rearrange/merge/delete pages from PDF files. The modular backend system uses either JPedal or JPod to display PDFs and iText or Apache PDFBox to save them. !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Development of this project has moved to GitHub. Please check https://github.com/mgropp/pdfjumbler for current releases! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!