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CLion vs KDevelop: catalog facts
CLion	KDevelop
Freemium Free for non-commercial use. Commercial use requires a paid subscription.	Free Free and open source.
Windows, macOS, Linux	Windows, macOS, Linux
Understands CMake and compilation databases rather than guessing at includes Remote and embedded debugging built in	Semantic code completion for C and C++ CMake and QMake project support
Commercial use requires a paid subscription Indexing large C++ codebases is slow	Python and PHP support needs optional plugins Best suited to C, C++ and Qt work
Downloadable app	Downloadable app
Closed source	Open source
License not stated	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 23, 2026

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