Search Results for "apache pdf"
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Showing 223 open source projects for "apache pdf"
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PDF.js
A PDF Reader in JavaScript
PDF.js is a web standards-based platform for parsing and rendering Portable Document Formats (PDFs). Open source and built with HTML5, this PDF viewer is supported by a great community and Mozilla Labs. PDF.js can be used on both modern and older browsers, and is built into version 19+ of Firefox. -
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OpenDataLoader PDF
PDF Parser for AI-ready data. Automate PDF accessibility
OpenDataLoader PDF is an open-source document processing system designed to convert complex PDF files into structured, AI-ready formats such as Markdown, JSON, and HTML while preserving layout, hierarchy, and semantic meaning. It focuses on enabling downstream use cases like retrieval-augmented generation (RAG), knowledge extraction, and document intelligence pipelines by maintaining accurate reading order and spatial metadata through bounding boxes. The tool combines deterministic parsing... -
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PdfCraft
An open-source, clean-room reimplementation of Adobe Acrobat in Rust
PdfCraft is an open-source PDF management and editing application built in Rust that provides tools for viewing, organizing, modifying, and securing PDF documents. The software allows users to combine multiple PDFs, split documents, extract pages, rearrange content, and manage bookmarks through a native interface. It supports document searching, text selection, annotations, interactive forms, attachments, and optional content layers. PdfCraft includes password protection, encryption support,... -
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Apache OpenOffice
The free and Open Source productivity suite
...OpenOffice is also able to export files in PDF format. OpenOffice has supported extensions, in a similar manner to Mozilla Firefox, making easy to add new functionality to an existing OpenOffice installation. -
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Apache OpenOffice Extensions
Hundreds of ready to use Apache OpenOffice extensions
The official catalog of Apache OpenOffice extensions. You'll find extensions ranging from dictionaries to tools to import PDF files and to connect with external databases. Extensions can improve your productivity, and are easy to use. -
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GenOffice
An AI-native office suite for macOS and Windows
GenOffice is an AI-native desktop office suite for macOS and Windows built as five Electron applications sharing a common engine layer. It provides dedicated editors for Word documents, Excel spreadsheets, PowerPoint presentations, and PDFs, plus a shell that hosts the suite. AI editing is integrated directly into document state instead of being limited to a separate chatbot. Documents support block-level edits and diffs, while sheets, slides, and PDFs expose their state to a tool-calling... -
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PdfPig
Read and extract text and other content from PDFs in C#
This project allows users to read and extract text and other content from PDF files. In addition the library can be used to create simple PDF documents containing text and geometrical shapes. -
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pdfcpu
A PDF processor written in Go
pdfcpu is a PDF processing library written in Go supporting encryption. It provides both an API and a CLI. Supported are all versions up to PDF 1.7 (ISO-32000). This is an effort to build a comprehensive PDF processing library from the ground up written in Go. Over time pdfcpu aims to support the standard range of PDF processing features and also any interesting use cases that may present themselves along the way. The main focus lies on strong support for batch processing and scripting via a... -
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xhtml2pdf
A library for converting HTML into PDFs using ReportLab
xhtml2pdf enables users to generate PDF documents from HTML content easily and with automated flow control such as pagination and keeping text together. The Python module can be used in any Python environment, including Django. The Command line tool is a stand-alone program that can be executed from the command line. -
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VectorCraft
An open-source, clean-room reimplementation of Adobe Illustrator
VectorCraft is an open-source vector illustration editor built in pure Rust as a clean-room reimplementation of familiar Adobe Illustrator workflows. It provides tools such as Pen, Direct Selection, Pathfinder, Smart Guides, layers, swatches, blends, gradient meshes, repeats, and envelope distortion. Exact curve booleans and structural-sharing undo are designed for reliable editing. Its native format is JSON-based, while SVG, PDF-compatible AI, PNG, JPEG, WebP, and other formats are... -
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CADCraft
CADCraft: computer-aided design and drafting
CADCraft is an open-source 2D drafting application written in pure Rust as a clean-room reimplementation of familiar AutoCAD workflows. It provides a command line, object snaps, polar tracking, layers, dimensions, hatches, blocks, layouts, plotting, and parametric constraints. Drawing and modification commands cover lines, polylines, circles, splines, offsets, trimming, arrays, grips, and many other common CAD operations. DXF files from R12 through 2018 are handled natively, while DWG... -
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GROBID
A machine learning software for extracting information
GROBID is a machine learning library for extracting, parsing, and re-structuring raw documents such as PDF into structured XML/TEI encoded documents with a particular focus on technical and scientific publications. First developments started in 2008 as a hobby. In 2011 the tool has been made available in open source. Work on GROBID has been steady as a side project since the beginning and is expected to continue as such. Header extraction and parsing from article in PDF format. The... -
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DesignCraft
Open-source, clean-room reimplementation of Adobe InDesign, in Rust
DesignCraft is an open-source desktop publishing and page layout application built in Rust that provides an alternative to Adobe InDesign for creating professional print and digital publications. The software features a familiar design interface with tools for managing page spreads, text frames, images, typography, colors, and document layouts. It supports advanced text composition with threaded text frames, multi-column layouts, automatic hyphenation, paragraph and character styles, text... -
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Vanilla.PDF
Cross-platform SDK for creating and modifying PDF documents
Vanilla.PDF is a modern, high-performance, open-source C++17 SDK designed for creating, editing, signing, and analyzing PDF documents across multiple platforms. It requires no external runtime dependencies, making it lightweight and ideal for embedding into desktop applications, servers, or automation pipelines. The SDK offers full cross-platform support including Windows, Linux, macOS, and Android, with builds available for major compilers and architectures. Vanilla.PDF supports advanced... -
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Tesseract OCR
Open Source OCR Engine
Tesseract is an open source OCR or optical character recognition engine and command line program. OCR is a technology that allows for the recognition of text characters within a digital image. With the latest version of Tesseract, there is a greater focus on line recognition, however it still supports the legacy Tesseract OCR engine which recognizes character patterns. Tesseract can recognize over 100 languages out-of-the-box, and can be trained to recognize other languages. It supports... -
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Ollama RAG Chatbot
Chat with multiple PDFs locally
Ollama RAG Chatbot is a local-first retrieval chatbot project built to let users chat with the contents of multiple PDF documents through a simple interface. The project is framed as an experiment, but its setup and packaging make it approachable for practical local use as well. It supports running on a local machine or in Kaggle, which lowers the barrier for users who want to test RAG workflows without building everything from scratch. Model support is flexible, with compatibility for both... -
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MarkPDFDown
A high-quality PDF to Markdown tool based on large language model
MarkPDFdown is an open-source document processing tool designed to convert PDF files into structured Markdown output that can be easily used for documentation, content pipelines, and AI processing workflows. The project focuses on extracting text, formatting, and structural information from complex PDF documents and transforming that information into clean Markdown that preserves the original hierarchy of headings, paragraphs, tables, and lists. By producing Markdown rather than raw text,... -
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HummusJS
Node.js module for high performance creation and modification of PDFs
PDFWriter latest release (4.5.12) includes support for fonts that contain Emojis. Notable examples for Emoji fonts are Windows Segoe UI emoji and Google Noto font. This means that writing text that include emojis will result in lovely colorful emojis, rather than black and white representations. PDFHummus is a fast and free PDF Writing, Parsing and Modification library. -
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Image Toolbox
Image Toolbox is an powerful picture editor, which can crop
Image Toolbox is a powerful picture editor, which can crop, apply filters, add some drawings, erase background, edit EXIF, or even create a PDF file. -
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Local-NotebookLM
Googles NotebookLM but local
Local-NotebookLM is a local AI tool for turning PDF documents into generated audio content. It works like a self-hosted alternative to NotebookLM-style document-to-audio workflows. The system extracts and processes PDF text, sends the content through an LLM, and converts the result into speech with configurable voices. Users can generate podcasts, summaries, interviews, lectures, debates, tutorials, news reports, executive briefs, and other formats. It supports multiple LLM providers,... -
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AI Infra
Understanding of AI Infra: Quantitative Analysis and System Design
AI Infra Book is an open-source technical book and companion repository focused on the infrastructure behind modern large language models. It approaches inference and training through quantitative analysis of hardware limits, data movement, model architecture, and distributed systems. The book contains twelve chapters supported by formulas, diagrams, experiments, and case studies. Companion tools help readers reproduce resource calculations and inspect the assumptions behind system-design... -
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MetaScreener
AI-powered tool for efficient abstract and PDF screening
MetaScreener is an open-source AI-assisted tool designed to streamline the screening process in systematic literature reviews and academic research workflows. The system helps researchers analyze large collections of academic abstracts and research papers to determine which studies are relevant for inclusion in evidence synthesis projects. Instead of manually reviewing hundreds or thousands of documents, researchers can use MetaScreener to apply machine learning techniques that assist with... -
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File System Crawler for Elasticsearch
Elasticsearch File System Crawler (FS Crawler)
This crawler helps to index binary documents such as PDF, Open Office, MS Office. Local file system (or a mounted drive) crawling and indexing new files, updating existing ones, and removing old ones. Remote file system over SSH/FTP crawling. REST interface to let you “upload” your binary documents to elastic search. -
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changedetection.io
The best free open source website change detection and restock service
Loved by smart shoppers, data journalists, research engineers, data scientists, security researchers, and more. From simply monitoring website pages that have a change (such as watching prices, and restocking notifications), to deep inspection such as PDF text support, JSON and XML monitoring, and extensive text triggers. Monitor out-of-stock products and get alerts when those products are back in stock, get restock alerts via Discord, Slack, email, and many other platforms. Using the... -
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WordCraft
An open-source, clean-room reimplementation of Microsoft Word in Rust
WordCraft is an open-source word processing and document editing application built in Rust that provides an alternative to Microsoft Word. The software features a familiar ribbon-based interface with tools for writing, formatting, reviewing, and designing professional documents. It supports Microsoft Word DOCX files alongside ODT, RTF, HTML, Markdown, LaTeX, and plain text formats, with options for exporting documents to PDF. WordCraft includes advanced editing capabilities such as tables,...
