Resources and materials to get yourself started with open source
Import YAML/JSON-formatted configuration files into Keycloak
The universal markup converter
OCRmyPDF adds an OCR text layer to scanned PDF files
A PDF Reader in JavaScript
A Privacy First PDF Toolkit
WebDriver for Firefox
Make Zotero effective for us LaTeX holdouts
A JSON viewer plugin for Notepad++
HTML to PDF converter for PHP
A simple interface for working with TeX documents
An ebook reader application supporting PDF, DjVu, EPUB, FB2, etc.
HTML, CSS and JS framework for developing responsive websites and apps
the MiKTeX source code
An open source RDP server
HTML5 client solution for generating PDFs
Open source PDF editor
open source Java library for creating and editing PDF files
PDFCraft is a free, privacy-focused PDF toolkit
Simple extensive tar-like archive format with indexing
Tabler is free and open-source HTML Dashboard UI Kit
Edit PDF files with Nano Banana
Windows/macOS/Linux binaries and installation methods of TinyTeX
A LaTeX class for producing presentations and slides
A PDF processor written in Go