anydoc

A suite of plugins for legal workflows

Codex 橙皮书：从安装到实战案例的全链路 Codex 使用指南（非官方开源，含可下载 PDF）

This repository provides a core framework for working with PDF files in JavaScript, enabling users to easily create, manipulate, and display PDF documents in web applications. It simplifies the process of integrating PDF functionalities, making it accessible for developers looking to enhance their projects with PDF capabilities.

Free and open-source PDF editor for Windows. View, annotate, OCR, merge, split, edit text, draw, sign, fill forms, print, flatten, and open password-protected PDFs without a subscription. Install or run portable. GPLv3

A fast, helpful, and open-source document parser

别再问我什么是 Loop Engineering — 橙皮书系列。A plain-language guide to loop engineering (中文 + English PDF). Free.