TiddlyWiki5

• on Node.js : https://github.com/Jermolene/TiddlyWiki5
• Local : http://tiddlywiki.com/

Plugins

MathJax for TW5

• http://mathjax-tw5.kantorsite.net/

Markdown

• http://qiita.com/akiy502/items/3fea96df87feceae0c6e

Github Flavored Markdown (Classic 버전용)

• http://babooshka.tiddlyspot.com/