HostsDock

Although the average user does not come in contact with host files all that often, as a developer, you might be required to switch from one environment to another (development, testing and production) and such, things might be very different in your case.
This said, having to manage host files in the different environment can prove to be both counterproductive and time-consuming. Fortunately, there is a way of simplifying and better organizing this process with the help of a useful app named HostsDock.

Multi-platform and Electron-based host file manager   

As its name clearly suggests, HostsDock is a piece of software designed from the ground up to make it as easy as possible for you to store, manage and edit host files.
Before anything, you should know that this app automatically refreshes the hosts files you are currently working on which means that the changes will take effect almost in real time.

Get it up and running in practically no time

You can get started with this Electron-based utility right away since it does not require any type of installation. Upon launching the app, you are bound to discover a modern and highly functional interface.
The program's main window is well-structured and split into two main parts. On the left side, you can access the hosts organized in three foldable and self-explanatory categories, namely System, Local and Remote, while the right side is dedicated to writing and editing the host files.

Straightforward workflow

This is probably the best time to point out that the app's editor comes with support for syntax highlighting and for search and replace actions. Considering its simplicity, it should come as no surprise that the workflow is also on the easy side of things.
By clicking the line number, you can select the entire line and, thanks to the app's minimalist top toobar, you can easily copy, cut, paste or search for pieces of text.

Manage host files within a functional interface

All in all, if you are looking for a hassle-free method of managing multiple host files then you should give HostsDock a quick spin. The app is looks and feels modern, it is novice-accessible and, even better, it can be run just as efficiently on all the key operating systems out there, Windows, macOS, and Linux.