pympress is described as 'From the official website (https://pympress.xyz):' and is an app in the Office & Productivity category. There are seven alternatives to pympress for Linux, Mac, Windows, Online / Web-based and Self-Hosted solutions. The best alternative is Impressive, which is both free and Open Source. Other great apps like pympress are pdfpc (Free, Open Source), PDF Presenter Console (Free, Open Source), PDF Presenter (Free) and PDF Cube (Free, Open Source).
PDF Presenter is a presentation software with focus on PDF documents. Why do you want PDF Presenter? It is easy to use and looks great. Show your slides to the audience through an external display or a projector.
Multi-monitor pdf presentation tool. This Qt5-based presentation viewer shows a presentation and notes for the speaker in separate windows. The modular interface supports different forms of notes and interactive tools.