@ -1001,6 +1001,7 @@ Programs to manage spreadsheets and to make presentations.
* [gpa-calculator](https://github.com/kitesi/gpa-calculator) - GPA calculator CLI app that stores data in local files; written in Go.
* [Lotus 1-2-3 for Linux](https://github.com/taviso/123elf) - A native port of Lotus 1-2-3 Release 3 to Linux.
* [mdp](https://github.com/visit1985/mdp) - A command-line based markdown presentation tool.
* [patat](https://github.com/jaspervdj/patat) - Terminal-based presentations using Pandoc.
* [PDFtk](https://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/) - PDFtk is a simple tool for doing everyday things with PDF documents.
* [presenterm](https://github.com/mfontanini/presenterm) - A terminal slideshow tool.
* [qpdf](https://github.com/qpdf/qpdf) - QPDF: A content-preserving PDF document transformer that allows to perform several types of operations on PDF files, such as splitting, merging, etc.