Madoko is described as 'fast markdown processor for writing professional articles, books, manuals, webpages and presentations, with a focus on simplicity and plain text readability'. There are more than 50 alternatives to Madoko for a variety of platforms, including Mac, Windows, Linux, Online / Web-based and Self-Hosted solutions. The best alternative is Joplin, which is both free and Open Source. Other great apps like Madoko are Typora (Free), Mark Text (Free, Open Source), StackEdit (Free, Open Source) and Haroopad (Free, Open Source).
Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, can be copied, tagged and modified either from the applications directly or from your own text editor.
Haroopad is a markdown enabled document processor for creating web-friendly documents. You can author various formats of documents such as blog article, slide, presentation, report, and e-mail as if experts did.
Marp is the simplest presentation writer with Markdown. FEATURES Create slides by Markdown Cross-platform Live preview with 3 modes Theme supports (Default & Gaia theme) Export slides as PDF! Write the presentation with like a feeling of Markdown editor.