Trexo PDF Signer is a professional-grade, open-source application designed for creating legally binding digital signatures on PDF documents. Built with enterprise security standards in mind, it provides seamless integration with hardware security modules (HSM), software certificates, and native platform keystores.

I ♥ PDF Toolkit is a lightweight desktop application built with Python and Tkinter that provides essential tools for working with PDFs and images — all in one place. Whether you need to compress, merge, convert, or extract text using OCR, this toolkit offers a simple and multilingual interface with drag-and-drop support, night mode, and offline fun