Minimalist Markdown Editor - This is the simplest and slickest Markdown editor.
Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
Markdown by DaringFireball - Text-to-HTML conversion tool/syntax for web writers, by John Gruber
Rust - A safe, concurrent, practical language
Typora - A minimal Markdown reading & writing app.
Java - A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible