Atom vs VSCodium: What are the differences?

# Introduction
This Markdown code provides key differences between Atom and VSCodium for users seeking to choose the best code editor.

1. **Licensing**: Atom is developed by GitHub and has a freemium license, while VSCodium is a community-driven, open-source distribution of Visual Studio Code without the proprietary Microsoft telemetry, licensing, and branding, making it entirely open source.
   
2. **Telemetry**: Atom sends usage data back to GitHub, including performance metrics, error reporting, and feature usage. In contrast, VSCodium ensures no tracking or telemetry options, prioritizing user privacy and data control.

3. **Extensions**: Atom's package ecosystem offers a wide range of community-contributed plugins and themes, but VSCodium's extension marketplace is more extensive and actively managed due to Microsoft's backing, providing a larger selection of high-quality extensions.

4. **Updates**: Atom releases updates less frequently compared to VSCodium, which receives frequent updates and improvements due to its integration with Microsoft's development cycle and dedicated community of contributors.

5. **User Interface**: VSCodium has a more modern and customizable user interface, with a variety of themes and layout configurations built-in compared to Atom, which may require additional plugins or configurations to achieve a similar level of customization.

6. **Integrations**: VSCodium has better integrations with other tools and services commonly used in development workflows, thanks to extensive support from the Microsoft ecosystem, allowing for seamless collaboration and productivity enhancements.

In Summary, the key differences between Atom and VSCodium lie in licensing models, telemetry policies, extension ecosystems, update frequencies, UI customization options, and integrations with external tools.