Qoppa Software offers multiple ways to display ... The server includes a PDF Markup Module to view and annotate PDF documents. It comes with an HTML / JavaScript client viewer that works together ...

Gimli is a utility for converting markup to pdf files. Useful for reports and such things. It’s a developed version of textile2pdf to support multiple markup styles and to get syntax highlighting.

While PDFs are the universal file type, there’s one catch: they don’t play nice with our Macs. They usually require Adobe’s tools for editing, annotation, and conversion, but why pay a subscription ...