MedleyText is described as 'Redefining the way programming notes are taken. Text editors are too one dimensional, Evernote/Onenote is too generic. Medley Text is a note taking tool designed to help you take pretty and organized programming notes' and is a Note-taking tool in the office & productivity category. There are more than 25 alternatives to MedleyText for a variety of platforms, including Mac, Windows, Linux, iPhone and iPad apps. The best MedleyText alternative is Zim, which is both free and Open Source. Other great apps like MedleyText are CherryTree, Trilium Notes, Cryptee and QOwnNotes.
PileMd has a really beautiful Markdown Editor, looks like Preview. It's like a RichText Editor but it's actually Markdown, and it works like a word processor, complete with Undo/Redo histories, list completion and clickable urls.
Notes Plus is a powerful note-taking tool that has enabled many people to go completely paperless.
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