WordPress
WordPress is a widely-used content management system (CMS) that powers over 40% of all websites on the internet. It’s known for its flexibility, ease of use, and extensive plugin ecosystem.

Sublime Text
Sublime Text is a sophisticated text editor known for its speed and efficiency. It is highly customizable, making it a favorite among developers who value simplicity and performance.
Atom
Atom, developed by GitHub, is an open-source text editor that offers a hackable experience, allowing developers to customize it to their liking.
Bootstrap
Bootstrap is a popular front-end framework for developing responsive and mobile-first websites. It provides a collection of CSS and JavaScript components that simplify the design process.

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Can I set up this site the way I want? Or is the functionality kind of limited? And is it even worth trying to set it up myself?

I honestly don’t see the point. There are tons of specialists you can hand this stuff over to, and I’m sure the result will be a hundred times better than if you try to figure it all out and set it up yourself. I don’t know much about sites or apps, so different ui/ux services https://www.lazarev.agency/services/ux-audit are something I’ve needed pretty often at different stages. Right now I’m also thinking about a ux audit to make sure there aren’t any major issues before scaling.