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Eclipse IDE for C/C++ Developers vs Qt Creator: catalog facts
Eclipse IDE for C/C++ Developers	Qt Creator
Free Free and open source under the Eclipse Public License.	Freemium Available through the Qt download page; commercial Qt licensing is offered alongside open…
Windows	Windows, macOS, Linux
C and C++ tooling bundled in one package Open source with long-running foundation governance	Built specifically for Qt and QML development Regular releases with a published release cycle
Heavier than a plain code editor The Eclipse workspace model takes some getting used to	Most useful for projects that use the Qt framework Licensing terms depend on how Qt is used
Downloadable app	Downloadable app
Open source	Open source
License: EPL-1.0	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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