Sublime Text - Sublime Text is a sophisticated text editor for code, html and prose - any kind of text file. You'll love the slick user interface and extraordinary features. Fully customizable with macros, and syntax highlighting for most major languages.
npm - npm is a package manager for Node.
Notepad++ - A free source code editor which supports several programming languages running under the MS Windows environment.
JSPM - Front End Package Manager, Frontend Development, and Javascript
CotEditor - Open Source Plain-Text Editor for OS X
GNU Make - GNU Make is a tool which controls the generation of executables and other non-source files of a program from the program's source files.