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Pulsar vs VSCodium: catalog facts
Pulsar	VSCodium
Free The software is free under its open-source licence. Hosting, hardware and external…	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Windows, macOS, Linux
It revives the Atom package ecosystem with its own package registry, so the hackable editor and its plugins…	The same editor as VS Code, built from the same MIT-licensed source without Microsoft branding Telemetry is disabled in the default configuration
It is still Electron-based and inherits Atom's memory use and startup time, with a much smaller maintainer team.	Extensions come from Open VSX, so a few marketplace-only extensions are missing Microsoft’s proprietary extensions, including the C# debugger and Remote Development, are not licensed for it
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.