TeXCAD is a program for drawing or retouching {picture}s in LaTeX. It extends the original {picture} capabilities, even without any obligatory LaTeX package, class or style sheet. Core of TeXCAD is totally portable. A MS Windows version is available.
More information on... https://texcad.sourceforge.io/
Alire crate: https://alire.ada.dev/crates/texcad
Mirror: https://github.com/zertovitch/texcad
A standalone, portable package for producing dynamically PDF documents
PDF_Out is an Ada package for writing easily PDF files dynamically. Enables the automatic production of reports. Standalone and unconditionally portable code. No external resource is needed.
More information on... http://apdf.sf.net
Alire crate: https://alire.ada.dev/crates/apdf
Mirror: https://github.com/zertovitch/ada-pdf-writer