1. DEV handy tools for newbie

Coding, hosting - Glitch

After it was launched in 2017, Glitch has let everyone write and change codes and then issue bots, network apps, and other outlines that it would host for free. But with its pro's there were cons. That free hosting came with certain very strict limitations. Apps had restricted RAM and storage, and more importantly, they would be shut down if they went inoperative for even a few minutes, meaning you often had to wait through a torpid boot before operating them.

Command Line - Hyper
Hyper is a terminal focused on network technologies, it is basically based on languages such as JavaScript, HTML, and CSS providing a fine and extensible practice for command-line interface users. Hyper delivers a lot of its speed and functionality thanks to the power of term below, the terminal emulator of the Chromium project.
If you're just getting originated with Hyper terminal I'd suggest you head to Hyper website, they have an extensive installation guide and usage documentation

Testing APIs - Insomnia

Insomnia is an open cross-platform desktop utilization that drives the effort out of interacting with and designing HTTP-based APIs. Insomnia blends an easy-to-use interface with superior functionality like authentication supporters, code generation, and environment variables.

Database - TablePlus
TablePlus signifies a convenient, native app with a streamlined user interface that permits developers to concurrently maintain databases in a very fast and secure way. TablePlus supports most of the grass-roots databases like MySQL, Postgres, SQL Server, SQLite, Microsoft SQL Server, Redis, Redshift, Oracle, and many more. TablePlus is compatible with every version of MariaDB. It is available for macOS, Windows, iOS, and Linux currently.
Some notable features:
Native build
Handy query editor
Multi Tabs & Code Review
Can connect to various databases concurrently.
TablePlus is available for free, but users can acquire a license to remove some constraints and customize the tool for more crucial needs on the TablePlus website.

Design - Figma Community

The Figma Community is a place where personalities, organizations, or companies can distribute data, plugins, and widgets. You can join the Community to recognize plugins, investigate files, and encourage other creators.