PDFCraft is a free, privacy-focused PDF toolkit
A simple interface for working with TeX documents
HTML, CSS and JS framework for developing responsive websites and apps
A web-based tool to view, edit, format, and validate JSON
Self-hosted online file converter. Supports 1000+ formats
A Fast, Extensible Progress Bar for Python and CLI
A simple tool for reading in poorly redacted documents
Plumb a PDF for detailed information about each char, rectangle, line
Safely and predictably create, change, and improve infrastructure
The lxml XML toolkit for Python
Open Source UI Kit built on top of Bootstrap 5 and plain JavaScript
Turn any technical book PDF into a Claude Code skill
Generate dashboards, widgets, apps, and data visualizations
Dynamic, functional language designed for building scalable apps
Display PDFs in your React app as easily as if they were images
Programmatic video for coding agents — HTML to video on your laptop
Repair invalid JSON documents
From community websites to web applications, this CSS framework
Minimal PDF creation library
TreeFrog Framework, High-speed C++ MVC Framework for Web Applications
PDF references add-on for Zotero
A PHP library to support implementing representations
A comprehensive collection of PDF images, tables, and formulas
Centralized, well-typed, non-blocking set of APIs for PHP programmers