Node.js

https://nodejs.org/en

Atom.

https://atom.io

GitHub.

https://github.com/

Babel.

https://babeljs.io/

Materialize.

http://materializecss.com/

Invision.

https://www.invisionapp.com/

Stripe.

https://stripe.com/

Npm.

https://www.npmjs.com/

Express.js

http://expressjs.com/

Gulp.js

http://gulpjs.com/

Bootstrap.

http://getbootstrap.com/

Yarn.

https://yarnpkg.com/lang/en/

Sketch.

https://www.sketchapp.com/

Fiftythree.

https://www.fiftythree.com/

Colourlovers.

http://www.colourlovers.com/

Unsplash.

https://unsplash.com/

Foundation.

http://foundation.zurb.com/

Gravit Designer.

https://www.designer.io/

Sublime Text.

https://www.sublimetext.com/