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Geany vs Eclipse IDE: catalog facts
Geany	Eclipse IDE
Free Free and open source under the GPL.	Free The open-source application is available without a license fee.
Windows, macOS, Linux	Windows, macOS, Linux
Starts almost instantly and uses very little memory Depends only on GTK, so it installs cleanly on minimal Linux systems	Huge plugin marketplace covering languages and domains other IDEs ignore Entirely open source and free for commercial use
No language server support in the core, so completion is simpler than a modern IDE's Debugging needs a plugin and is basic	The workspace and perspective model feels dated and confuses newcomers Plugin quality varies widely and conflicts are common
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: EPL-2.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 22, 2026

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