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Eclipse IDE vs GNOME Builder: catalog facts
Eclipse IDE	GNOME Builder
Free The open-source application is available without a license fee.	Free Free to install from Flathub.
Windows, macOS, Linux	Linux
Huge plugin marketplace covering languages and domains other IDEs ignore Entirely open source and free for commercial use	Deep support for GTK, GLib and GNOME APIs Integrated debugger and profiler for native applications
The workspace and perspective model feels dated and confuses newcomers Plugin quality varies widely and conflicts are common	Linux only Most useful for GNOME and GTK development
Downloadable app	Downloadable app
Open source	Open source
License: EPL-2.0	License not stated
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 24, 2026

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