Syntaxic is described as 'Cross-platform, keyboard-friendly text editor' and is an app in the Development category. There are more than 50 alternatives to Syntaxic for a variety of platforms, including Windows, Linux, Mac, BSD and Chrome OS. The best alternative is Notepad++, which is both free and Open Source. Other great apps like Syntaxic are Atom (Free, Open Source), Sublime Text (Free Personal), Vim (Free, Open Source) and Eclipse (Free, Open Source).
When you need to create text documents, TextEdit is a highly versatile word processor, including tools to format and layout your page, edit and stylize text, check spelling, create tables and lists, import graphics, work with HTML, and even add music and movie files.
BabelPad is a free Unicode text editor for Windows that supports the proper rendering of most complex scripts, and allows you to assign different fonts to different scripts in order to facilitate multi-script text editing.
Tilde is a text editor for the console/terminal, which provides an intuitive interface for people accustomed to GUI environments such as Gnome, KDE and Windows. Example: copy current selection is Control-C; paste previously copied text is Control-V.
4coder is a minimalist, cross platform, programmable, code editing environment, catering to the needs of low level programmers. It allows you to use one work flow across Windows, Linux, and Mac (with the exception of your debugger... for now.).
vy is a modal editor with a very modular architecture. vy is built on top of Tkinter which is one of the most productive graphical toolkits; It permits vy to have such a great programming interface for plugins.
Nota is a convergent text editor. Nota is easy to use, with a simple interface by default. Nota supports syntax highlighting for various languages, focus mode, annotations, configurable fonts, colors, a integrated side panel and more.
use your Browser as your Notepad, take notes while you are browsing. From now on for notepad, you don't have to go anywhere, convert your browser into your favorite notepad. Customize it as you like it. TabNote is free and offline.