Responsively

Responsively: Great open-source tool designed to help save user's time and development hassle.

Responsively is a reliable tool that was designed to help users enhance their productivity and level up their side-by-side, cross-device testing capabilities while offering them an environment that enables the addition of multiple devices, instant access to dev tools, creating specialized screenshots, and many more.

The program comes with a standard display that offers an environment where multiple device types, categorized by their screen size, will be displayed next to each other.

The device inventory is well-built and has plenty of diversity that allows for further filtering and ultimately, granular testing.

It also comes with synchronized scrolling, upon navigation, every action done on one screen will be replicated on the other ones, and for each device, the function can be disabled, while having the ability to add multiple devices on the main screen, and many more.

Responsively is a great tool that is open-source, that was meant to save users time and development hassle.