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KDevelop vs GNOME Builder: catalog facts
KDevelop	GNOME Builder
Free Free and open source.	Free Free to install from Flathub.
Windows, macOS, Linux	Linux
Semantic code completion for C and C++ CMake and QMake project support	Deep support for GTK, GLib and GNOME APIs Integrated debugger and profiler for native applications
Python and PHP support needs optional plugins Best suited to C, C++ and Qt work	Linux only Most useful for GNOME and GTK development
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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