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Geany vs GNOME Builder: catalog facts
Geany	GNOME Builder
Free Free and open source under the GPL.	Free Free to install from Flathub.
Windows, macOS, Linux	Linux
Starts almost instantly and uses very little memory Depends only on GTK, so it installs cleanly on minimal Linux systems	Deep support for GTK, GLib and GNOME APIs Integrated debugger and profiler for native applications
No language server support in the core, so completion is simpler than a modern IDE's Debugging needs a plugin and is basic	Linux only Most useful for GNOME and GTK development
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 24, 2026

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