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JSignPdf is an application that adds digital signatures to PDF documents. The application uses the OpenPDF library for PDF manipulations. This is free and open source software. Features include: Visible signatures – image and/or description located visually in a PDF
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Typesetting systems let you generate high quality documentation including books with minimal effort.
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Typst is a markup-based typesetting system that is designed to be as powerful as LaTeX while being much easier to learn and use.
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Texinfo is a typesetting syntax used for generating documentation in both on-line and printed form.
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SILE is a typesetting system. Its job is to produce beautiful printed documents.
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Lout is a document formatting system. The system reads a high-level description of a document similar in style to LaTeX.
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groff (GNU roff) is a typesetting system that reads plain text input files that include formatting commands.
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Librum is billed as software designed to make reading enjoyable and straightforward for everyone.
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Thorium Reader is a cross platform desktop reading app, based on the Readium Desktop toolkit.
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A graph database stores nodes and relationships instead of tables, or documents. We recommend the best graph databases.
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