Download and use https://code.visualstudio.com/.
Prettier will automatically format your code.
alt:V IDE will provide useful information about various alt:V methods, data, etc.
Live Server will let you preview HTML pages in your browser.
If you're developing and need quick restarts for new features. When a Typescript file is saved with the commands below running, it will automatically restart and build the changes in 1/4 of the time compared to the regular build process.
npm run watch-windows
npm run watch-linux