You have a free pdf converter\creator solution
Node.js module for rendering pdf pages to images, svgs and HTML files
World's most comprehensive, powerful, process-based PDF editor
World's most comprehensive, powerful, process-based PDF editor
iLovePDF Rest Api - PHP Library
A beautiful notes app
rga: ripgrep, but also search in PDFs, E-Books, Office documents, etc.
ImagesToPDF freeware designed to convert image files into PDF
Simple portable Java app to merge single images and documents to PDF
Tinker with PDF files
An interactive viewer for three-dimensional chemical structures.
Scriptable data terminal which supports several interfaces.
PDF File Converter / Compression / Fusion
Android comic book reader/Image archive viewer. Simple yet comfy.
JaxoDraw: Feynman Diagrams made easy!
Comic and Manga reader
Android Manga reader with Japanese OCR and dictionary capabilities
Various small and useful command-line utilities
LDraw™ editor for LEGO® style digital building instructions.
Image Binder - Images-To-PDF Conversion
RoshanOS is a friendly distro with welcome, layout, tweaks & tryouts
Award-winning modern data processing in C++17/20
Program, written in python, which detect panels in comics
Self-Hosted Bookmark And Archive Manager
Interactive scientific graphing and data analysis software.