iLovePDF Rest Api - PHP Library
Convert files like docx, xlsx, pptx, html, and more to MarkDown
PDF Combiner is a user-friendly, GUI-based tool built in
Prepress preparing tool and PDF editor
Convert PDF to HTML without losing text or format
Your Java Swing PDF Viewer/Reader cross platform
PDF merging with bookmarks and pagination
Convert HTML to PDF in .NET with C# using EVO HTML to PDF for .NET
The DjVu complete solution,with OCR Technology(Arabic ,English).
Convert PDF versions, so old software can still be used.