Frameworks to specialize in
Briefly

Meteor enables rapid prototyping and full-stack app development using JavaScript, but its popularity has waned in favor of more modern frameworks.
Electron is ideal for building cross-platform desktop applications, but developers must be cautious about performance issues due to its reliance on Chromium.
Flutter is a versatile framework that facilitates mobile, web, and desktop app development from a single codebase, making it a compelling choice for multi-platform projects.
Next.js is recommended for a modern full-stack development experience, especially for those interested in deploying applications effectively with a straightforward learning curve.
Read at SitePoint Forums | Web Development & Design Community
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