What are some alternatives?
Vue.js - Reactive Components for Modern Web Interfaces
FileZilla - FileZilla is an FTP, or file transfer protocol, client. It lets individuals transfer single files or batches to a web server. For many years, FTP was the standard for website design. Read more about FileZilla.
Beyond Compare - Beyond Compare allows you to compare files and folders.
AngularJS - AngularJS lets you extend HTML vocabulary for your application. The resulting environment is extraordinarily expressive, readable, and quick to develop.
PuTTY - Popular free terminal application. Mostly used as an SSH client.