pdf-engine

Free and open-source PDF editor for Windows with a built-in PDF 2.0 engine. View, annotate, OCR, merge, split, crop, rotate, compare, edit text, draw, sign, fill forms, print, flatten, and open password-protected PDFs without a subscription.

PEP - Free & Open Source PDF Editor for Mac

A PDF reader and renderer

Go client for Gotenberg — document conversion service supporting Chromium, LibreOffice, and PDF manipulation engines.

A lightweight, deterministic HTML/CSS-to-PDF engine for generating structured documents with zero runtime dependencies

Zero-dependency Rust→WASM PDF engine + TypeScript SDK — read, edit, render, OCR, sign, redact and convert PDFs (↔ Office/HTML/RTF/PDF-A) with no third-party libraries.

A Single-jar, Zero-dependency PDF engine for Java 21, Render modern HTML/CSS(flex, grid, gradients) & XML/DITA to PDF, or build docus with fluent Java API, Forms, Barcodes, SVG, PDF/A-2b + PDF/UA-1, optimize & linerize. Scalable runtime with backpressure. No third-party code. Fork-friendly open source.

Deterministic PDF generation library for Java. Zero dependencies. Byte-for-byte reproducible output.

Headless, framework-agnostic PDF engine for any web framework — view, annotate, search, highlight, redact, stamp, watermark & export.

Free NY LLC formation wizard for women entrepreneurs — WBE/MWBE cert guide, Articles of Organization generator, Operating Agreement template. bizher.osintnet.uk

PdfCraft: Low-level PDF parser, generator, and structural audit engine written in pure Rust

Self-hosted document-to-PDF engine in pure Go, as a library and a CLI. Converts Markdown, HTML, DOCX, CSV, JSON, YAML, XML, reStructuredText, Jupyter notebooks and images. No headless browser, no external binaries, no CGO.

NY BizHer LLC Wizard — free step-by-step guide for women entrepreneurs to form an NY LLC and get WBE/MWBE certified